Home / 83,449.92-115,182.24-51,600

Finding the Fourth Proportional to 83,449.92, 115,182.24 and 51,600

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Solution

The fourth proportional to 83,449.92, 115,182.24 and 51,600 is: 71,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,449.92 : 115,182.24 = 51,600 : x
  2. Step 2: Convert to fraction form
    83,449.92/115,182.24 = 51,600/x
  3. Step 3: Cross multiply
    83,449.92x = 115,182.24 × 51,600
  4. Step 4: Simplify right side
    83,449.92x = 5,943,403,584
  5. Step 5: Solve for x
    x = 5,943,403,584/83,449.92
  6. Step 6: Final answer
    x = 71,221.20

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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.