Home / 89,578.62-134,398.26-39,651.84

Finding the Fourth Proportional to 89,578.62, 134,398.26 and 39,651.84

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Solution

The fourth proportional to 89,578.62, 134,398.26 and 39,651.84 is: 59,491.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,578.62 : 134,398.26 = 39,651.84 : x
  2. Step 2: Convert to fraction form
    89,578.62/134,398.26 = 39,651.84/x
  3. Step 3: Cross multiply
    89,578.62x = 134,398.26 × 39,651.84
  4. Step 4: Simplify right side
    89,578.62x = 5,329,138,301.80
  5. Step 5: Solve for x
    x = 5,329,138,301.80/89,578.62
  6. Step 6: Final answer
    x = 59,491.19

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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.