Home / 108,565.11-162,869.13-52,444.26

Finding the Fourth Proportional to 108,565.11, 162,869.13 and 52,444.26

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Solution

The fourth proportional to 108,565.11, 162,869.13 and 52,444.26 is: 78,676.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,565.11 : 162,869.13 = 52,444.26 : x
  2. Step 2: Convert to fraction form
    108,565.11/162,869.13 = 52,444.26/x
  3. Step 3: Cross multiply
    108,565.11x = 162,869.13 × 52,444.26
  4. Step 4: Simplify right side
    108,565.11x = 8,541,550,999.69
  5. Step 5: Solve for x
    x = 8,541,550,999.69/108,565.11
  6. Step 6: Final answer
    x = 78,676.76

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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.