Home / 71,809.28-107,553.52-52,042.45

Finding the Fourth Proportional to 71,809.28, 107,553.52 and 52,042.45

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Solution

The fourth proportional to 71,809.28, 107,553.52 and 52,042.45 is: 77,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,809.28 : 107,553.52 = 52,042.45 : x
  2. Step 2: Convert to fraction form
    71,809.28/107,553.52 = 52,042.45/x
  3. Step 3: Cross multiply
    71,809.28x = 107,553.52 × 52,042.45
  4. Step 4: Simplify right side
    71,809.28x = 5,597,348,686.92
  5. Step 5: Solve for x
    x = 5,597,348,686.92/71,809.28
  6. Step 6: Final answer
    x = 77,947.43

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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.