Home / 87,740.70-131,581.60-28,562.46

Finding the Fourth Proportional to 87,740.70, 131,581.60 and 28,562.46

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Solution

The fourth proportional to 87,740.70, 131,581.60 and 28,562.46 is: 42,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,740.70 : 131,581.60 = 28,562.46 : x
  2. Step 2: Convert to fraction form
    87,740.70/131,581.60 = 28,562.46/x
  3. Step 3: Cross multiply
    87,740.70x = 131,581.60 × 28,562.46
  4. Step 4: Simplify right side
    87,740.70x = 3,758,294,186.74
  5. Step 5: Solve for x
    x = 3,758,294,186.74/87,740.70
  6. Step 6: Final answer
    x = 42,834.10

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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.