Home / 87,575.68-131,381.96-28,406.72

Finding the Fourth Proportional to 87,575.68, 131,381.96 and 28,406.72

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Solution

The fourth proportional to 87,575.68, 131,381.96 and 28,406.72 is: 42,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,575.68 : 131,381.96 = 28,406.72 : x
  2. Step 2: Convert to fraction form
    87,575.68/131,381.96 = 28,406.72/x
  3. Step 3: Cross multiply
    87,575.68x = 131,381.96 × 28,406.72
  4. Step 4: Simplify right side
    87,575.68x = 3,732,130,550.77
  5. Step 5: Solve for x
    x = 3,732,130,550.77/87,575.68
  6. Step 6: Final answer
    x = 42,616.06

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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.