Home / 89,230.60-123,144.49-50,995.79

Finding the Fourth Proportional to 89,230.60, 123,144.49 and 50,995.79

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Solution

The fourth proportional to 89,230.60, 123,144.49 and 50,995.79 is: 70,377.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,230.60 : 123,144.49 = 50,995.79 : x
  2. Step 2: Convert to fraction form
    89,230.60/123,144.49 = 50,995.79/x
  3. Step 3: Cross multiply
    89,230.60x = 123,144.49 × 50,995.79
  4. Step 4: Simplify right side
    89,230.60x = 6,279,850,551.70
  5. Step 5: Solve for x
    x = 6,279,850,551.70/89,230.60
  6. Step 6: Final answer
    x = 70,377.77

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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.