Home / 52,048.31-78,072.46-25,726.55

Finding the Fourth Proportional to 52,048.31, 78,072.46 and 25,726.55

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Solution

The fourth proportional to 52,048.31, 78,072.46 and 25,726.55 is: 38,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,048.31 : 78,072.46 = 25,726.55 : x
  2. Step 2: Convert to fraction form
    52,048.31/78,072.46 = 25,726.55/x
  3. Step 3: Cross multiply
    52,048.31x = 78,072.46 × 25,726.55
  4. Step 4: Simplify right side
    52,048.31x = 2,008,534,591.13
  5. Step 5: Solve for x
    x = 2,008,534,591.13/52,048.31
  6. Step 6: Final answer
    x = 38,589.82

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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.