Home / 83,703.02-125,488.89-39,306.92

Finding the Fourth Proportional to 83,703.02, 125,488.89 and 39,306.92

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Solution

The fourth proportional to 83,703.02, 125,488.89 and 39,306.92 is: 58,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,703.02 : 125,488.89 = 39,306.92 : x
  2. Step 2: Convert to fraction form
    83,703.02/125,488.89 = 39,306.92/x
  3. Step 3: Cross multiply
    83,703.02x = 125,488.89 × 39,306.92
  4. Step 4: Simplify right side
    83,703.02x = 4,932,581,760.12
  5. Step 5: Solve for x
    x = 4,932,581,760.12/83,703.02
  6. Step 6: Final answer
    x = 58,929.56

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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.