Home / 60,139.13-90,167.11-43,282.49

Finding the Fourth Proportional to 60,139.13, 90,167.11 and 43,282.49

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Solution

The fourth proportional to 60,139.13, 90,167.11 and 43,282.49 is: 64,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,139.13 : 90,167.11 = 43,282.49 : x
  2. Step 2: Convert to fraction form
    60,139.13/90,167.11 = 43,282.49/x
  3. Step 3: Cross multiply
    60,139.13x = 90,167.11 × 43,282.49
  4. Step 4: Simplify right side
    60,139.13x = 3,902,656,477.86
  5. Step 5: Solve for x
    x = 3,902,656,477.86/60,139.13
  6. Step 6: Final answer
    x = 64,893.80

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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.