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Finding the Fourth Proportional to 52,554, 78,752.33 and 27,195.94

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Solution

The fourth proportional to 52,554, 78,752.33 and 27,195.94 is: 40,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,554 : 78,752.33 = 27,195.94 : x
  2. Step 2: Convert to fraction form
    52,554/78,752.33 = 27,195.94/x
  3. Step 3: Cross multiply
    52,554x = 78,752.33 × 27,195.94
  4. Step 4: Simplify right side
    52,554x = 2,141,743,641.54
  5. Step 5: Solve for x
    x = 2,141,743,641.54/52,554
  6. Step 6: Final answer
    x = 40,753.20

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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.