Home / 80,380.28-120,565.56-35,995.12

Finding the Fourth Proportional to 80,380.28, 120,565.56 and 35,995.12

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Solution

The fourth proportional to 80,380.28, 120,565.56 and 35,995.12 is: 53,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,380.28 : 120,565.56 = 35,995.12 : x
  2. Step 2: Convert to fraction form
    80,380.28/120,565.56 = 35,995.12/x
  3. Step 3: Cross multiply
    80,380.28x = 120,565.56 × 35,995.12
  4. Step 4: Simplify right side
    80,380.28x = 4,339,771,633.63
  5. Step 5: Solve for x
    x = 4,339,771,633.63/80,380.28
  6. Step 6: Final answer
    x = 53,990.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 80,381.28, 120,567.06 and 35,996.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.