Home / 89,372.70-123,335.06-49,086.95

Finding the Fourth Proportional to 89,372.70, 123,335.06 and 49,086.95

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Solution

The fourth proportional to 89,372.70, 123,335.06 and 49,086.95 is: 67,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,372.70 : 123,335.06 = 49,086.95 : x
  2. Step 2: Convert to fraction form
    89,372.70/123,335.06 = 49,086.95/x
  3. Step 3: Cross multiply
    89,372.70x = 123,335.06 × 49,086.95
  4. Step 4: Simplify right side
    89,372.70x = 6,054,141,061.36
  5. Step 5: Solve for x
    x = 6,054,141,061.36/89,372.70
  6. Step 6: Final answer
    x = 67,740.38

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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.