Home / 107,217.79-147,959.48-59,469.91

Finding the Fourth Proportional to 107,217.79, 147,959.48 and 59,469.91

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Solution

The fourth proportional to 107,217.79, 147,959.48 and 59,469.91 is: 82,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,217.79 : 147,959.48 = 59,469.91 : x
  2. Step 2: Convert to fraction form
    107,217.79/147,959.48 = 59,469.91/x
  3. Step 3: Cross multiply
    107,217.79x = 147,959.48 × 59,469.91
  4. Step 4: Simplify right side
    107,217.79x = 8,799,137,235.78
  5. Step 5: Solve for x
    x = 8,799,137,235.78/107,217.79
  6. Step 6: Final answer
    x = 82,067.88

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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.