Home / 83,863.28-115,730.88-48,053.84

Finding the Fourth Proportional to 83,863.28, 115,730.88 and 48,053.84

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Solution

The fourth proportional to 83,863.28, 115,730.88 and 48,053.84 is: 66,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,863.28 : 115,730.88 = 48,053.84 : x
  2. Step 2: Convert to fraction form
    83,863.28/115,730.88 = 48,053.84/x
  3. Step 3: Cross multiply
    83,863.28x = 115,730.88 × 48,053.84
  4. Step 4: Simplify right side
    83,863.28x = 5,561,313,190.58
  5. Step 5: Solve for x
    x = 5,561,313,190.58/83,863.28
  6. Step 6: Final answer
    x = 66,314.04

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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.