Home / 87,855.03-131,591.18-45,607.66

Finding the Fourth Proportional to 87,855.03, 131,591.18 and 45,607.66

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Solution

The fourth proportional to 87,855.03, 131,591.18 and 45,607.66 is: 68,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,855.03 : 131,591.18 = 45,607.66 : x
  2. Step 2: Convert to fraction form
    87,855.03/131,591.18 = 45,607.66/x
  3. Step 3: Cross multiply
    87,855.03x = 131,591.18 × 45,607.66
  4. Step 4: Simplify right side
    87,855.03x = 6,001,565,581.48
  5. Step 5: Solve for x
    x = 6,001,565,581.48/87,855.03
  6. Step 6: Final answer
    x = 68,312.15

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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.