Home / 87,572.59-131,377.35-28,403.66

Finding the Fourth Proportional to 87,572.59, 131,377.35 and 28,403.66

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Solution

The fourth proportional to 87,572.59, 131,377.35 and 28,403.66 is: 42,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,572.59 : 131,377.35 = 28,403.66 : x
  2. Step 2: Convert to fraction form
    87,572.59/131,377.35 = 28,403.66/x
  3. Step 3: Cross multiply
    87,572.59x = 131,377.35 × 28,403.66
  4. Step 4: Simplify right side
    87,572.59x = 3,731,597,510.09
  5. Step 5: Solve for x
    x = 3,731,597,510.09/87,572.59
  6. Step 6: Final answer
    x = 42,611.48

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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.