Home / 108,531.20-162,772.20-38,410.52

Finding the Fourth Proportional to 108,531.20, 162,772.20 and 38,410.52

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Solution

The fourth proportional to 108,531.20, 162,772.20 and 38,410.52 is: 57,607.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,531.20 : 162,772.20 = 38,410.52 : x
  2. Step 2: Convert to fraction form
    108,531.20/162,772.20 = 38,410.52/x
  3. Step 3: Cross multiply
    108,531.20x = 162,772.20 × 38,410.52
  4. Step 4: Simplify right side
    108,531.20x = 6,252,164,843.54
  5. Step 5: Solve for x
    x = 6,252,164,843.54/108,531.20
  6. Step 6: Final answer
    x = 57,607.07

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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.