Home / 88,279.11-121,836.38-50,044.88

Finding the Fourth Proportional to 88,279.11, 121,836.38 and 50,044.88

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Solution

The fourth proportional to 88,279.11, 121,836.38 and 50,044.88 is: 69,068.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,279.11 : 121,836.38 = 50,044.88 : x
  2. Step 2: Convert to fraction form
    88,279.11/121,836.38 = 50,044.88/x
  3. Step 3: Cross multiply
    88,279.11x = 121,836.38 × 50,044.88
  4. Step 4: Simplify right side
    88,279.11x = 6,097,287,016.73
  5. Step 5: Solve for x
    x = 6,097,287,016.73/88,279.11
  6. Step 6: Final answer
    x = 69,068.29

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1.5x scale

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.