Home / 69,375.20-95,711.88-45,515.12

Finding the Fourth Proportional to 69,375.20, 95,711.88 and 45,515.12

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Solution

The fourth proportional to 69,375.20, 95,711.88 and 45,515.12 is: 62,793.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,375.20 : 95,711.88 = 45,515.12 : x
  2. Step 2: Convert to fraction form
    69,375.20/95,711.88 = 45,515.12/x
  3. Step 3: Cross multiply
    69,375.20x = 95,711.88 × 45,515.12
  4. Step 4: Simplify right side
    69,375.20x = 4,356,337,703.63
  5. Step 5: Solve for x
    x = 4,356,337,703.63/69,375.20
  6. Step 6: Final answer
    x = 62,793.88

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1.5x scale

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.