Home / 107,240.38-147,967.92-61,908.52

Finding the Fourth Proportional to 107,240.38, 147,967.92 and 61,908.52

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Solution

The fourth proportional to 107,240.38, 147,967.92 and 61,908.52 is: 85,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,240.38 : 147,967.92 = 61,908.52 : x
  2. Step 2: Convert to fraction form
    107,240.38/147,967.92 = 61,908.52/x
  3. Step 3: Cross multiply
    107,240.38x = 147,967.92 × 61,908.52
  4. Step 4: Simplify right side
    107,240.38x = 9,160,474,934.68
  5. Step 5: Solve for x
    x = 9,160,474,934.68/107,240.38
  6. Step 6: Final answer
    x = 85,420.02

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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.