Home / 87,756.97-131,635.34-28,592.54

Finding the Fourth Proportional to 87,756.97, 131,635.34 and 28,592.54

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Solution

The fourth proportional to 87,756.97, 131,635.34 and 28,592.54 is: 42,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,756.97 : 131,635.34 = 28,592.54 : x
  2. Step 2: Convert to fraction form
    87,756.97/131,635.34 = 28,592.54/x
  3. Step 3: Cross multiply
    87,756.97x = 131,635.34 × 28,592.54
  4. Step 4: Simplify right side
    87,756.97x = 3,763,788,724.36
  5. Step 5: Solve for x
    x = 3,763,788,724.36/87,756.97
  6. Step 6: Final answer
    x = 42,888.77

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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.