Home / 108,445.28-162,613.35-45,249.02

Finding the Fourth Proportional to 108,445.28, 162,613.35 and 45,249.02

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Solution

The fourth proportional to 108,445.28, 162,613.35 and 45,249.02 is: 67,850.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,445.28 : 162,613.35 = 45,249.02 : x
  2. Step 2: Convert to fraction form
    108,445.28/162,613.35 = 45,249.02/x
  3. Step 3: Cross multiply
    108,445.28x = 162,613.35 × 45,249.02
  4. Step 4: Simplify right side
    108,445.28x = 7,358,094,726.42
  5. Step 5: Solve for x
    x = 7,358,094,726.42/108,445.28
  6. Step 6: Final answer
    x = 67,850.76

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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.