Home / 88,186.46-121,691.04-49,949.87

Finding the Fourth Proportional to 88,186.46, 121,691.04 and 49,949.87

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Solution

The fourth proportional to 88,186.46, 121,691.04 and 49,949.87 is: 68,927.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,186.46 : 121,691.04 = 49,949.87 : x
  2. Step 2: Convert to fraction form
    88,186.46/121,691.04 = 49,949.87/x
  3. Step 3: Cross multiply
    88,186.46x = 121,691.04 × 49,949.87
  4. Step 4: Simplify right side
    88,186.46x = 6,078,451,628.16
  5. Step 5: Solve for x
    x = 6,078,451,628.16/88,186.46
  6. Step 6: Final answer
    x = 68,927.27

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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.