Home / 56,049.71-77,322.20-33,375.78

Finding the Fourth Proportional to 56,049.71, 77,322.20 and 33,375.78

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Solution

The fourth proportional to 56,049.71, 77,322.20 and 33,375.78 is: 46,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,049.71 : 77,322.20 = 33,375.78 : x
  2. Step 2: Convert to fraction form
    56,049.71/77,322.20 = 33,375.78/x
  3. Step 3: Cross multiply
    56,049.71x = 77,322.20 × 33,375.78
  4. Step 4: Simplify right side
    56,049.71x = 2,580,688,569.44
  5. Step 5: Solve for x
    x = 2,580,688,569.44/56,049.71
  6. Step 6: Final answer
    x = 46,042.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.