Home / 108,766.19-162,956.16-45,446.92

Finding the Fourth Proportional to 108,766.19, 162,956.16 and 45,446.92

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Solution

The fourth proportional to 108,766.19, 162,956.16 and 45,446.92 is: 68,089.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,766.19 : 162,956.16 = 45,446.92 : x
  2. Step 2: Convert to fraction form
    108,766.19/162,956.16 = 45,446.92/x
  3. Step 3: Cross multiply
    108,766.19x = 162,956.16 × 45,446.92
  4. Step 4: Simplify right side
    108,766.19x = 7,405,854,752.25
  5. Step 5: Solve for x
    x = 7,405,854,752.25/108,766.19
  6. Step 6: Final answer
    x = 68,089.68

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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.