Home / 89,954.28-124,141.74-49,667.88

Finding the Fourth Proportional to 89,954.28, 124,141.74 and 49,667.88

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Solution

The fourth proportional to 89,954.28, 124,141.74 and 49,667.88 is: 68,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,954.28 : 124,141.74 = 49,667.88 : x
  2. Step 2: Convert to fraction form
    89,954.28/124,141.74 = 49,667.88/x
  3. Step 3: Cross multiply
    89,954.28x = 124,141.74 × 49,667.88
  4. Step 4: Simplify right side
    89,954.28x = 6,165,857,045.31
  5. Step 5: Solve for x
    x = 6,165,857,045.31/89,954.28
  6. Step 6: Final answer
    x = 68,544.34

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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.