Home / 89,538.84-123,512.04-53,708.04

Finding the Fourth Proportional to 89,538.84, 123,512.04 and 53,708.04

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Solution

The fourth proportional to 89,538.84, 123,512.04 and 53,708.04 is: 74,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,538.84 : 123,512.04 = 53,708.04 : x
  2. Step 2: Convert to fraction form
    89,538.84/123,512.04 = 53,708.04/x
  3. Step 3: Cross multiply
    89,538.84x = 123,512.04 × 53,708.04
  4. Step 4: Simplify right side
    89,538.84x = 6,633,589,584.80
  5. Step 5: Solve for x
    x = 6,633,589,584.80/89,538.84
  6. Step 6: Final answer
    x = 74,086.17

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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.