Home / 87,293.34-120,475.10-49,052.97

Finding the Fourth Proportional to 87,293.34, 120,475.10 and 49,052.97

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Solution

The fourth proportional to 87,293.34, 120,475.10 and 49,052.97 is: 67,698.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,293.34 : 120,475.10 = 49,052.97 : x
  2. Step 2: Convert to fraction form
    87,293.34/120,475.10 = 49,052.97/x
  3. Step 3: Cross multiply
    87,293.34x = 120,475.10 × 49,052.97
  4. Step 4: Simplify right side
    87,293.34x = 5,909,661,220.78
  5. Step 5: Solve for x
    x = 5,909,661,220.78/87,293.34
  6. Step 6: Final answer
    x = 67,698.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.