Home / 89,882.19-124,087.14-54,081

Finding the Fourth Proportional to 89,882.19, 124,087.14 and 54,081

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Solution

The fourth proportional to 89,882.19, 124,087.14 and 54,081 is: 74,661.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,882.19 : 124,087.14 = 54,081 : x
  2. Step 2: Convert to fraction form
    89,882.19/124,087.14 = 54,081/x
  3. Step 3: Cross multiply
    89,882.19x = 124,087.14 × 54,081
  4. Step 4: Simplify right side
    89,882.19x = 6,710,756,618.34
  5. Step 5: Solve for x
    x = 6,710,756,618.34/89,882.19
  6. Step 6: Final answer
    x = 74,661.69

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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.