Home / 89,918.28-124,090.24-49,084.83

Finding the Fourth Proportional to 89,918.28, 124,090.24 and 49,084.83

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Solution

The fourth proportional to 89,918.28, 124,090.24 and 49,084.83 is: 67,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,918.28 : 124,090.24 = 49,084.83 : x
  2. Step 2: Convert to fraction form
    89,918.28/124,090.24 = 49,084.83/x
  3. Step 3: Cross multiply
    89,918.28x = 124,090.24 × 49,084.83
  4. Step 4: Simplify right side
    89,918.28x = 6,090,948,335.06
  5. Step 5: Solve for x
    x = 6,090,948,335.06/89,918.28
  6. Step 6: Final answer
    x = 67,738.71

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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.