Home / 87,744.39-131,639.91-27,774.01

Finding the Fourth Proportional to 87,744.39, 131,639.91 and 27,774.01

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Solution

The fourth proportional to 87,744.39, 131,639.91 and 27,774.01 is: 41,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,744.39 : 131,639.91 = 27,774.01 : x
  2. Step 2: Convert to fraction form
    87,744.39/131,639.91 = 27,774.01/x
  3. Step 3: Cross multiply
    87,744.39x = 131,639.91 × 27,774.01
  4. Step 4: Simplify right side
    87,744.39x = 3,656,168,280.89
  5. Step 5: Solve for x
    x = 3,656,168,280.89/87,744.39
  6. Step 6: Final answer
    x = 41,668.40

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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.