Home / 89,719.30-134,578.92-26,534.48

Finding the Fourth Proportional to 89,719.30, 134,578.92 and 26,534.48

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Solution

The fourth proportional to 89,719.30, 134,578.92 and 26,534.48 is: 39,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,719.30 : 134,578.92 = 26,534.48 : x
  2. Step 2: Convert to fraction form
    89,719.30/134,578.92 = 26,534.48/x
  3. Step 3: Cross multiply
    89,719.30x = 134,578.92 × 26,534.48
  4. Step 4: Simplify right side
    89,719.30x = 3,570,981,661.16
  5. Step 5: Solve for x
    x = 3,570,981,661.16/89,719.30
  6. Step 6: Final answer
    x = 39,801.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.