Home / 108,781.38-163,218.85-58,897.13

Finding the Fourth Proportional to 108,781.38, 163,218.85 and 58,897.13

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Solution

The fourth proportional to 108,781.38, 163,218.85 and 58,897.13 is: 88,371.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,781.38 : 163,218.85 = 58,897.13 : x
  2. Step 2: Convert to fraction form
    108,781.38/163,218.85 = 58,897.13/x
  3. Step 3: Cross multiply
    108,781.38x = 163,218.85 × 58,897.13
  4. Step 4: Simplify right side
    108,781.38x = 9,613,120,863.56
  5. Step 5: Solve for x
    x = 9,613,120,863.56/108,781.38
  6. Step 6: Final answer
    x = 88,371.01

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1.5x scale

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.