Home / 83,508.82-125,306.30-39,140.08

Finding the Fourth Proportional to 83,508.82, 125,306.30 and 39,140.08

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Solution

The fourth proportional to 83,508.82, 125,306.30 and 39,140.08 is: 58,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,508.82 : 125,306.30 = 39,140.08 : x
  2. Step 2: Convert to fraction form
    83,508.82/125,306.30 = 39,140.08/x
  3. Step 3: Cross multiply
    83,508.82x = 125,306.30 × 39,140.08
  4. Step 4: Simplify right side
    83,508.82x = 4,904,498,606.50
  5. Step 5: Solve for x
    x = 4,904,498,606.50/83,508.82
  6. Step 6: Final answer
    x = 58,730.31

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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.