Home / 83,565.91-115,329.24-47,761.06

Finding the Fourth Proportional to 83,565.91, 115,329.24 and 47,761.06

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Solution

The fourth proportional to 83,565.91, 115,329.24 and 47,761.06 is: 65,915.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,565.91 : 115,329.24 = 47,761.06 : x
  2. Step 2: Convert to fraction form
    83,565.91/115,329.24 = 47,761.06/x
  3. Step 3: Cross multiply
    83,565.91x = 115,329.24 × 47,761.06
  4. Step 4: Simplify right side
    83,565.91x = 5,508,246,751.39
  5. Step 5: Solve for x
    x = 5,508,246,751.39/83,565.91
  6. Step 6: Final answer
    x = 65,915.00

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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.