Home / 51,375.25-77,078.42-36,411.31

Finding the Fourth Proportional to 51,375.25, 77,078.42 and 36,411.31

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Solution

The fourth proportional to 51,375.25, 77,078.42 and 36,411.31 is: 54,627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,375.25 : 77,078.42 = 36,411.31 : x
  2. Step 2: Convert to fraction form
    51,375.25/77,078.42 = 36,411.31/x
  3. Step 3: Cross multiply
    51,375.25x = 77,078.42 × 36,411.31
  4. Step 4: Simplify right side
    51,375.25x = 2,806,526,062.87
  5. Step 5: Solve for x
    x = 2,806,526,062.87/51,375.25
  6. Step 6: Final answer
    x = 54,627.98

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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.