Home / 88,105.08-121,591-49,864.66

Finding the Fourth Proportional to 88,105.08, 121,591 and 49,864.66

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Solution

The fourth proportional to 88,105.08, 121,591 and 49,864.66 is: 68,816.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,105.08 : 121,591 = 49,864.66 : x
  2. Step 2: Convert to fraction form
    88,105.08/121,591 = 49,864.66/x
  3. Step 3: Cross multiply
    88,105.08x = 121,591 × 49,864.66
  4. Step 4: Simplify right side
    88,105.08x = 6,063,093,874.06
  5. Step 5: Solve for x
    x = 6,063,093,874.06/88,105.08
  6. Step 6: Final answer
    x = 68,816.62

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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.