Home / 55,617.28-76,753.08-31,743.46

Finding the Fourth Proportional to 55,617.28, 76,753.08 and 31,743.46

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Solution

The fourth proportional to 55,617.28, 76,753.08 and 31,743.46 is: 43,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,617.28 : 76,753.08 = 31,743.46 : x
  2. Step 2: Convert to fraction form
    55,617.28/76,753.08 = 31,743.46/x
  3. Step 3: Cross multiply
    55,617.28x = 76,753.08 × 31,743.46
  4. Step 4: Simplify right side
    55,617.28x = 2,436,408,324.86
  5. Step 5: Solve for x
    x = 2,436,408,324.86/55,617.28
  6. Step 6: Final answer
    x = 43,806.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.