Home / 83,770.20-125,460.90-57,331.80

Finding the Fourth Proportional to 83,770.20, 125,460.90 and 57,331.80

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Solution

The fourth proportional to 83,770.20, 125,460.90 and 57,331.80 is: 85,864.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,770.20 : 125,460.90 = 57,331.80 : x
  2. Step 2: Convert to fraction form
    83,770.20/125,460.90 = 57,331.80/x
  3. Step 3: Cross multiply
    83,770.20x = 125,460.90 × 57,331.80
  4. Step 4: Simplify right side
    83,770.20x = 7,192,899,226.62
  5. Step 5: Solve for x
    x = 7,192,899,226.62/83,770.20
  6. Step 6: Final answer
    x = 85,864.65

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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.