Home / 87,988.68-131,950.22-45,850.66

Finding the Fourth Proportional to 87,988.68, 131,950.22 and 45,850.66

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Solution

The fourth proportional to 87,988.68, 131,950.22 and 45,850.66 is: 68,758.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,988.68 : 131,950.22 = 45,850.66 : x
  2. Step 2: Convert to fraction form
    87,988.68/131,950.22 = 45,850.66/x
  3. Step 3: Cross multiply
    87,988.68x = 131,950.22 × 45,850.66
  4. Step 4: Simplify right side
    87,988.68x = 6,050,004,444.89
  5. Step 5: Solve for x
    x = 6,050,004,444.89/87,988.68
  6. Step 6: Final answer
    x = 68,758.89

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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.