Home / 83,761.24-115,471.02-59,879.20

Finding the Fourth Proportional to 83,761.24, 115,471.02 and 59,879.20

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Solution

The fourth proportional to 83,761.24, 115,471.02 and 59,879.20 is: 82,547.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,761.24 : 115,471.02 = 59,879.20 : x
  2. Step 2: Convert to fraction form
    83,761.24/115,471.02 = 59,879.20/x
  3. Step 3: Cross multiply
    83,761.24x = 115,471.02 × 59,879.20
  4. Step 4: Simplify right side
    83,761.24x = 6,914,312,300.78
  5. Step 5: Solve for x
    x = 6,914,312,300.78/83,761.24
  6. Step 6: Final answer
    x = 82,547.87

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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.