Home / 89,346.42-123,298.19-49,062.78

Finding the Fourth Proportional to 89,346.42, 123,298.19 and 49,062.78

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Solution

The fourth proportional to 89,346.42, 123,298.19 and 49,062.78 is: 67,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,346.42 : 123,298.19 = 49,062.78 : x
  2. Step 2: Convert to fraction form
    89,346.42/123,298.19 = 49,062.78/x
  3. Step 3: Cross multiply
    89,346.42x = 123,298.19 × 49,062.78
  4. Step 4: Simplify right side
    89,346.42x = 6,049,351,970.37
  5. Step 5: Solve for x
    x = 6,049,351,970.37/89,346.42
  6. Step 6: Final answer
    x = 67,706.71

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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.