Home / 83,680.17-125,520.30-52,537.29

Finding the Fourth Proportional to 83,680.17, 125,520.30 and 52,537.29

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Solution

The fourth proportional to 83,680.17, 125,520.30 and 52,537.29 is: 78,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,680.17 : 125,520.30 = 52,537.29 : x
  2. Step 2: Convert to fraction form
    83,680.17/125,520.30 = 52,537.29/x
  3. Step 3: Cross multiply
    83,680.17x = 125,520.30 × 52,537.29
  4. Step 4: Simplify right side
    83,680.17x = 6,594,496,401.99
  5. Step 5: Solve for x
    x = 6,594,496,401.99/83,680.17
  6. Step 6: Final answer
    x = 78,805.96

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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.