Home / 80,051.40-120,079.53-27,460.13

Finding the Fourth Proportional to 80,051.40, 120,079.53 and 27,460.13

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Solution

The fourth proportional to 80,051.40, 120,079.53 and 27,460.13 is: 41,191.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,051.40 : 120,079.53 = 27,460.13 : x
  2. Step 2: Convert to fraction form
    80,051.40/120,079.53 = 27,460.13/x
  3. Step 3: Cross multiply
    80,051.40x = 120,079.53 × 27,460.13
  4. Step 4: Simplify right side
    80,051.40x = 3,297,398,903.74
  5. Step 5: Solve for x
    x = 3,297,398,903.74/80,051.40
  6. Step 6: Final answer
    x = 41,191.02

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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.