Home / 55,402.13-83,129.15-27,306.86

Finding the Fourth Proportional to 55,402.13, 83,129.15 and 27,306.86

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Solution

The fourth proportional to 55,402.13, 83,129.15 and 27,306.86 is: 40,973.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,402.13 : 83,129.15 = 27,306.86 : x
  2. Step 2: Convert to fraction form
    55,402.13/83,129.15 = 27,306.86/x
  3. Step 3: Cross multiply
    55,402.13x = 83,129.15 × 27,306.86
  4. Step 4: Simplify right side
    55,402.13x = 2,269,995,949.09
  5. Step 5: Solve for x
    x = 2,269,995,949.09/55,402.13
  6. Step 6: Final answer
    x = 40,973.08

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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.