Home / 79,749.72-119,640.31-22,824.16

Finding the Fourth Proportional to 79,749.72, 119,640.31 and 22,824.16

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Solution

The fourth proportional to 79,749.72, 119,640.31 and 22,824.16 is: 34,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,749.72 : 119,640.31 = 22,824.16 : x
  2. Step 2: Convert to fraction form
    79,749.72/119,640.31 = 22,824.16/x
  3. Step 3: Cross multiply
    79,749.72x = 119,640.31 × 22,824.16
  4. Step 4: Simplify right side
    79,749.72x = 2,730,689,221.73
  5. Step 5: Solve for x
    x = 2,730,689,221.73/79,749.72
  6. Step 6: Final answer
    x = 34,240.74

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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.