Home / 72,462.03-108,613.25-54,635.53

Finding the Fourth Proportional to 72,462.03, 108,613.25 and 54,635.53

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Solution

The fourth proportional to 72,462.03, 108,613.25 and 54,635.53 is: 81,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,462.03 : 108,613.25 = 54,635.53 : x
  2. Step 2: Convert to fraction form
    72,462.03/108,613.25 = 54,635.53/x
  3. Step 3: Cross multiply
    72,462.03x = 108,613.25 × 54,635.53
  4. Step 4: Simplify right side
    72,462.03x = 5,934,143,168.99
  5. Step 5: Solve for x
    x = 5,934,143,168.99/72,462.03
  6. Step 6: Final answer
    x = 81,893.14

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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.