Home / 107,150.52-147,869.07-61,837.92

Finding the Fourth Proportional to 107,150.52, 147,869.07 and 61,837.92

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Solution

The fourth proportional to 107,150.52, 147,869.07 and 61,837.92 is: 85,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,150.52 : 147,869.07 = 61,837.92 : x
  2. Step 2: Convert to fraction form
    107,150.52/147,869.07 = 61,837.92/x
  3. Step 3: Cross multiply
    107,150.52x = 147,869.07 × 61,837.92
  4. Step 4: Simplify right side
    107,150.52x = 9,143,915,721.13
  5. Step 5: Solve for x
    x = 9,143,915,721.13/107,150.52
  6. Step 6: Final answer
    x = 85,337.11

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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.