Home / 82,824.92-124,274.24-43,372.79

Finding the Fourth Proportional to 82,824.92, 124,274.24 and 43,372.79

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Solution

The fourth proportional to 82,824.92, 124,274.24 and 43,372.79 is: 65,078.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,824.92 : 124,274.24 = 43,372.79 : x
  2. Step 2: Convert to fraction form
    82,824.92/124,274.24 = 43,372.79/x
  3. Step 3: Cross multiply
    82,824.92x = 124,274.24 × 43,372.79
  4. Step 4: Simplify right side
    82,824.92x = 5,390,119,675.69
  5. Step 5: Solve for x
    x = 5,390,119,675.69/82,824.92
  6. Step 6: Final answer
    x = 65,078.48

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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.