Home / 87,502.40-131,080.80-52,337.60

Finding the Fourth Proportional to 87,502.40, 131,080.80 and 52,337.60

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Solution

The fourth proportional to 87,502.40, 131,080.80 and 52,337.60 is: 78,403.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,502.40 : 131,080.80 = 52,337.60 : x
  2. Step 2: Convert to fraction form
    87,502.40/131,080.80 = 52,337.60/x
  3. Step 3: Cross multiply
    87,502.40x = 131,080.80 × 52,337.60
  4. Step 4: Simplify right side
    87,502.40x = 6,860,454,478.08
  5. Step 5: Solve for x
    x = 6,860,454,478.08/87,502.40
  6. Step 6: Final answer
    x = 78,403.04

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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.