Home / 108,064.20-162,138.84-54,726.92

Finding the Fourth Proportional to 108,064.20, 162,138.84 and 54,726.92

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Solution

The fourth proportional to 108,064.20, 162,138.84 and 54,726.92 is: 82,111.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,064.20 : 162,138.84 = 54,726.92 : x
  2. Step 2: Convert to fraction form
    108,064.20/162,138.84 = 54,726.92/x
  3. Step 3: Cross multiply
    108,064.20x = 162,138.84 × 54,726.92
  4. Step 4: Simplify right side
    108,064.20x = 8,873,359,325.57
  5. Step 5: Solve for x
    x = 8,873,359,325.57/108,064.20
  6. Step 6: Final answer
    x = 82,111.92

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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.