Home / 87,447.84-131,175.86-28,288.14

Finding the Fourth Proportional to 87,447.84, 131,175.86 and 28,288.14

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Solution

The fourth proportional to 87,447.84, 131,175.86 and 28,288.14 is: 42,433.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,447.84 : 131,175.86 = 28,288.14 : x
  2. Step 2: Convert to fraction form
    87,447.84/131,175.86 = 28,288.14/x
  3. Step 3: Cross multiply
    87,447.84x = 131,175.86 × 28,288.14
  4. Step 4: Simplify right side
    87,447.84x = 3,710,720,458.95
  5. Step 5: Solve for x
    x = 3,710,720,458.95/87,447.84
  6. Step 6: Final answer
    x = 42,433.53

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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.