Home / 87,475.41-131,212.25-40,077.05

Finding the Fourth Proportional to 87,475.41, 131,212.25 and 40,077.05

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Solution

The fourth proportional to 87,475.41, 131,212.25 and 40,077.05 is: 60,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,475.41 : 131,212.25 = 40,077.05 : x
  2. Step 2: Convert to fraction form
    87,475.41/131,212.25 = 40,077.05/x
  3. Step 3: Cross multiply
    87,475.41x = 131,212.25 × 40,077.05
  4. Step 4: Simplify right side
    87,475.41x = 5,258,599,703.48
  5. Step 5: Solve for x
    x = 5,258,599,703.48/87,475.41
  6. Step 6: Final answer
    x = 60,115.18

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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.