Home / 108,599.28-162,925.20-55,159.80

Finding the Fourth Proportional to 108,599.28, 162,925.20 and 55,159.80

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Solution

The fourth proportional to 108,599.28, 162,925.20 and 55,159.80 is: 82,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,599.28 : 162,925.20 = 55,159.80 : x
  2. Step 2: Convert to fraction form
    108,599.28/162,925.20 = 55,159.80/x
  3. Step 3: Cross multiply
    108,599.28x = 162,925.20 × 55,159.80
  4. Step 4: Simplify right side
    108,599.28x = 8,986,921,446.96
  5. Step 5: Solve for x
    x = 8,986,921,446.96/108,599.28
  6. Step 6: Final answer
    x = 82,753.05

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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.