Home / 88,192.97-121,707.61-49,951.57

Finding the Fourth Proportional to 88,192.97, 121,707.61 and 49,951.57

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Solution

The fourth proportional to 88,192.97, 121,707.61 and 49,951.57 is: 68,933.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,192.97 : 121,707.61 = 49,951.57 : x
  2. Step 2: Convert to fraction form
    88,192.97/121,707.61 = 49,951.57/x
  3. Step 3: Cross multiply
    88,192.97x = 121,707.61 × 49,951.57
  4. Step 4: Simplify right side
    88,192.97x = 6,079,485,771.30
  5. Step 5: Solve for x
    x = 6,079,485,771.30/88,192.97
  6. Step 6: Final answer
    x = 68,933.91

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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.