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Finding the Fourth Proportional to 84,062.59, 126,101.12 and 24,091.29

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Solution

The fourth proportional to 84,062.59, 126,101.12 and 24,091.29 is: 36,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,062.59 : 126,101.12 = 24,091.29 : x
  2. Step 2: Convert to fraction form
    84,062.59/126,101.12 = 24,091.29/x
  3. Step 3: Cross multiply
    84,062.59x = 126,101.12 × 24,091.29
  4. Step 4: Simplify right side
    84,062.59x = 3,037,938,530.79
  5. Step 5: Solve for x
    x = 3,037,938,530.79/84,062.59
  6. Step 6: Final answer
    x = 36,139.01

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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.