Home / 89,758.26-123,867.09-49,473.45

Finding the Fourth Proportional to 89,758.26, 123,867.09 and 49,473.45

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Solution

The fourth proportional to 89,758.26, 123,867.09 and 49,473.45 is: 68,273.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,758.26 : 123,867.09 = 49,473.45 : x
  2. Step 2: Convert to fraction form
    89,758.26/123,867.09 = 49,473.45/x
  3. Step 3: Cross multiply
    89,758.26x = 123,867.09 × 49,473.45
  4. Step 4: Simplify right side
    89,758.26x = 6,128,132,283.76
  5. Step 5: Solve for x
    x = 6,128,132,283.76/89,758.26
  6. Step 6: Final answer
    x = 68,273.74

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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.