Home / 88,034.75-121,490.70-49,793.55

Finding the Fourth Proportional to 88,034.75, 121,490.70 and 49,793.55

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Solution

The fourth proportional to 88,034.75, 121,490.70 and 49,793.55 is: 68,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,034.75 : 121,490.70 = 49,793.55 : x
  2. Step 2: Convert to fraction form
    88,034.75/121,490.70 = 49,793.55/x
  3. Step 3: Cross multiply
    88,034.75x = 121,490.70 × 49,793.55
  4. Step 4: Simplify right side
    88,034.75x = 6,049,453,244.99
  5. Step 5: Solve for x
    x = 6,049,453,244.99/88,034.75
  6. Step 6: Final answer
    x = 68,716.66

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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.