Home / 89,741.61-123,838.83-49,454.46

Finding the Fourth Proportional to 89,741.61, 123,838.83 and 49,454.46

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Solution

The fourth proportional to 89,741.61, 123,838.83 and 49,454.46 is: 68,244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,741.61 : 123,838.83 = 49,454.46 : x
  2. Step 2: Convert to fraction form
    89,741.61/123,838.83 = 49,454.46/x
  3. Step 3: Cross multiply
    89,741.61x = 123,838.83 × 49,454.46
  4. Step 4: Simplify right side
    89,741.61x = 6,124,382,464.68
  5. Step 5: Solve for x
    x = 6,124,382,464.68/89,741.61
  6. Step 6: Final answer
    x = 68,244.62

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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.