Home / 87,330.32-120,515.82-47,586.32

Finding the Fourth Proportional to 87,330.32, 120,515.82 and 47,586.32

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Solution

The fourth proportional to 87,330.32, 120,515.82 and 47,586.32 is: 65,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,330.32 : 120,515.82 = 47,586.32 : x
  2. Step 2: Convert to fraction form
    87,330.32/120,515.82 = 47,586.32/x
  3. Step 3: Cross multiply
    87,330.32x = 120,515.82 × 47,586.32
  4. Step 4: Simplify right side
    87,330.32x = 5,734,904,375.58
  5. Step 5: Solve for x
    x = 5,734,904,375.58/87,330.32
  6. Step 6: Final answer
    x = 65,669.11

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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.