Home / 108,337.38-162,417.99-45,204.53

Finding the Fourth Proportional to 108,337.38, 162,417.99 and 45,204.53

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Solution

The fourth proportional to 108,337.38, 162,417.99 and 45,204.53 is: 67,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,337.38 : 162,417.99 = 45,204.53 : x
  2. Step 2: Convert to fraction form
    108,337.38/162,417.99 = 45,204.53/x
  3. Step 3: Cross multiply
    108,337.38x = 162,417.99 × 45,204.53
  4. Step 4: Simplify right side
    108,337.38x = 7,342,028,901.49
  5. Step 5: Solve for x
    x = 7,342,028,901.49/108,337.38
  6. Step 6: Final answer
    x = 67,770.04

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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.