Home / 88,265.92-121,808.38-47,979.76

Finding the Fourth Proportional to 88,265.92, 121,808.38 and 47,979.76

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Solution

The fourth proportional to 88,265.92, 121,808.38 and 47,979.76 is: 66,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,265.92 : 121,808.38 = 47,979.76 : x
  2. Step 2: Convert to fraction form
    88,265.92/121,808.38 = 47,979.76/x
  3. Step 3: Cross multiply
    88,265.92x = 121,808.38 × 47,979.76
  4. Step 4: Simplify right side
    88,265.92x = 5,844,336,229.35
  5. Step 5: Solve for x
    x = 5,844,336,229.35/88,265.92
  6. Step 6: Final answer
    x = 66,212.83

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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.