Home / 80,231.12-110,728.56-46,697.12

Finding the Fourth Proportional to 80,231.12, 110,728.56 and 46,697.12

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Solution

The fourth proportional to 80,231.12, 110,728.56 and 46,697.12 is: 64,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,231.12 : 110,728.56 = 46,697.12 : x
  2. Step 2: Convert to fraction form
    80,231.12/110,728.56 = 46,697.12/x
  3. Step 3: Cross multiply
    80,231.12x = 110,728.56 × 46,697.12
  4. Step 4: Simplify right side
    80,231.12x = 5,170,704,853.75
  5. Step 5: Solve for x
    x = 5,170,704,853.75/80,231.12
  6. Step 6: Final answer
    x = 64,447.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.