Home / 89,373.14-123,334.57-49,086.78

Finding the Fourth Proportional to 89,373.14, 123,334.57 and 49,086.78

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Solution

The fourth proportional to 89,373.14, 123,334.57 and 49,086.78 is: 67,739.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,373.14 : 123,334.57 = 49,086.78 : x
  2. Step 2: Convert to fraction form
    89,373.14/123,334.57 = 49,086.78/x
  3. Step 3: Cross multiply
    89,373.14x = 123,334.57 × 49,086.78
  4. Step 4: Simplify right side
    89,373.14x = 6,054,096,920.48
  5. Step 5: Solve for x
    x = 6,054,096,920.48/89,373.14
  6. Step 6: Final answer
    x = 67,739.55

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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.