Home / 108,644.38-149,921.66-60,248.76

Finding the Fourth Proportional to 108,644.38, 149,921.66 and 60,248.76

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Solution

The fourth proportional to 108,644.38, 149,921.66 and 60,248.76 is: 83,139.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,644.38 : 149,921.66 = 60,248.76 : x
  2. Step 2: Convert to fraction form
    108,644.38/149,921.66 = 60,248.76/x
  3. Step 3: Cross multiply
    108,644.38x = 149,921.66 × 60,248.76
  4. Step 4: Simplify right side
    108,644.38x = 9,032,594,112.14
  5. Step 5: Solve for x
    x = 9,032,594,112.14/108,644.38
  6. Step 6: Final answer
    x = 83,139.08

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1.5x scale

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.