Home / 108,581.61-162,872.46-29,689.86

Finding the Fourth Proportional to 108,581.61, 162,872.46 and 29,689.86

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Solution

The fourth proportional to 108,581.61, 162,872.46 and 29,689.86 is: 44,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,581.61 : 162,872.46 = 29,689.86 : x
  2. Step 2: Convert to fraction form
    108,581.61/162,872.46 = 29,689.86/x
  3. Step 3: Cross multiply
    108,581.61x = 162,872.46 × 29,689.86
  4. Step 4: Simplify right side
    108,581.61x = 4,835,660,535.26
  5. Step 5: Solve for x
    x = 4,835,660,535.26/108,581.61
  6. Step 6: Final answer
    x = 44,534.80

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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.