Home / 52,042.70-78,008.77-27,057.75

Finding the Fourth Proportional to 52,042.70, 78,008.77 and 27,057.75

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Solution

The fourth proportional to 52,042.70, 78,008.77 and 27,057.75 is: 40,557.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,042.70 : 78,008.77 = 27,057.75 : x
  2. Step 2: Convert to fraction form
    52,042.70/78,008.77 = 27,057.75/x
  3. Step 3: Cross multiply
    52,042.70x = 78,008.77 × 27,057.75
  4. Step 4: Simplify right side
    52,042.70x = 2,110,741,537.76
  5. Step 5: Solve for x
    x = 2,110,741,537.76/52,042.70
  6. Step 6: Final answer
    x = 40,557.88

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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.