Home / 86,273.28-129,340.80-44,732.16

Finding the Fourth Proportional to 86,273.28, 129,340.80 and 44,732.16

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Solution

The fourth proportional to 86,273.28, 129,340.80 and 44,732.16 is: 67,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,273.28 : 129,340.80 = 44,732.16 : x
  2. Step 2: Convert to fraction form
    86,273.28/129,340.80 = 44,732.16/x
  3. Step 3: Cross multiply
    86,273.28x = 129,340.80 × 44,732.16
  4. Step 4: Simplify right side
    86,273.28x = 5,785,693,360.13
  5. Step 5: Solve for x
    x = 5,785,693,360.13/86,273.28
  6. Step 6: Final answer
    x = 67,062.40

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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.