Home / 89,586.90-134,399.76-27,255.78

Finding the Fourth Proportional to 89,586.90, 134,399.76 and 27,255.78

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Solution

The fourth proportional to 89,586.90, 134,399.76 and 27,255.78 is: 40,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,586.90 : 134,399.76 = 27,255.78 : x
  2. Step 2: Convert to fraction form
    89,586.90/134,399.76 = 27,255.78/x
  3. Step 3: Cross multiply
    89,586.90x = 134,399.76 × 27,255.78
  4. Step 4: Simplify right side
    89,586.90x = 3,663,170,290.61
  5. Step 5: Solve for x
    x = 3,663,170,290.61/89,586.90
  6. Step 6: Final answer
    x = 40,889.58

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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.