Home / 89,040.76-133,540.18-25,844.20

Finding the Fourth Proportional to 89,040.76, 133,540.18 and 25,844.20

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Solution

The fourth proportional to 89,040.76, 133,540.18 and 25,844.20 is: 38,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,040.76 : 133,540.18 = 25,844.20 : x
  2. Step 2: Convert to fraction form
    89,040.76/133,540.18 = 25,844.20/x
  3. Step 3: Cross multiply
    89,040.76x = 133,540.18 × 25,844.20
  4. Step 4: Simplify right side
    89,040.76x = 3,451,239,119.96
  5. Step 5: Solve for x
    x = 3,451,239,119.96/89,040.76
  6. Step 6: Final answer
    x = 38,760.22

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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.