Home / 87,346.56-131,041.92-37,401.60

Finding the Fourth Proportional to 87,346.56, 131,041.92 and 37,401.60

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Solution

The fourth proportional to 87,346.56, 131,041.92 and 37,401.60 is: 56,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,346.56 : 131,041.92 = 37,401.60 : x
  2. Step 2: Convert to fraction form
    87,346.56/131,041.92 = 37,401.60/x
  3. Step 3: Cross multiply
    87,346.56x = 131,041.92 × 37,401.60
  4. Step 4: Simplify right side
    87,346.56x = 4,901,177,475.07
  5. Step 5: Solve for x
    x = 4,901,177,475.07/87,346.56
  6. Step 6: Final answer
    x = 56,111.85

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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.