Home / 87,755.81-131,608.60-28,596.65

Finding the Fourth Proportional to 87,755.81, 131,608.60 and 28,596.65

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Solution

The fourth proportional to 87,755.81, 131,608.60 and 28,596.65 is: 42,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,755.81 : 131,608.60 = 28,596.65 : x
  2. Step 2: Convert to fraction form
    87,755.81/131,608.60 = 28,596.65/x
  3. Step 3: Cross multiply
    87,755.81x = 131,608.60 × 28,596.65
  4. Step 4: Simplify right side
    87,755.81x = 3,763,564,341.66
  5. Step 5: Solve for x
    x = 3,763,564,341.66/87,755.81
  6. Step 6: Final answer
    x = 42,886.79

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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.