Home / 102,002.47-153,003.49-27,122.62

Finding the Fourth Proportional to 102,002.47, 153,003.49 and 27,122.62

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Solution

The fourth proportional to 102,002.47, 153,003.49 and 27,122.62 is: 40,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,002.47 : 153,003.49 = 27,122.62 : x
  2. Step 2: Convert to fraction form
    102,002.47/153,003.49 = 27,122.62/x
  3. Step 3: Cross multiply
    102,002.47x = 153,003.49 × 27,122.62
  4. Step 4: Simplify right side
    102,002.47x = 4,149,855,517.94
  5. Step 5: Solve for x
    x = 4,149,855,517.94/102,002.47
  6. Step 6: Final answer
    x = 40,683.87

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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.