Home / 87,719.38-131,587.40-24,539.51

Finding the Fourth Proportional to 87,719.38, 131,587.40 and 24,539.51

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Solution

The fourth proportional to 87,719.38, 131,587.40 and 24,539.51 is: 36,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,719.38 : 131,587.40 = 24,539.51 : x
  2. Step 2: Convert to fraction form
    87,719.38/131,587.40 = 24,539.51/x
  3. Step 3: Cross multiply
    87,719.38x = 131,587.40 × 24,539.51
  4. Step 4: Simplify right side
    87,719.38x = 3,229,090,708.49
  5. Step 5: Solve for x
    x = 3,229,090,708.49/87,719.38
  6. Step 6: Final answer
    x = 36,811.60

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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.