Home / 56,286.86-77,711.28-36,151.88

Finding the Fourth Proportional to 56,286.86, 77,711.28 and 36,151.88

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Solution

The fourth proportional to 56,286.86, 77,711.28 and 36,151.88 is: 49,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,286.86 : 77,711.28 = 36,151.88 : x
  2. Step 2: Convert to fraction form
    56,286.86/77,711.28 = 36,151.88/x
  3. Step 3: Cross multiply
    56,286.86x = 77,711.28 × 36,151.88
  4. Step 4: Simplify right side
    56,286.86x = 2,809,408,869.21
  5. Step 5: Solve for x
    x = 2,809,408,869.21/56,286.86
  6. Step 6: Final answer
    x = 49,912.34

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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.