Home / 75,249.20-112,874.76-51,869.36

Finding the Fourth Proportional to 75,249.20, 112,874.76 and 51,869.36

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Solution

The fourth proportional to 75,249.20, 112,874.76 and 51,869.36 is: 77,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,249.20 : 112,874.76 = 51,869.36 : x
  2. Step 2: Convert to fraction form
    75,249.20/112,874.76 = 51,869.36/x
  3. Step 3: Cross multiply
    75,249.20x = 112,874.76 × 51,869.36
  4. Step 4: Simplify right side
    75,249.20x = 5,854,741,561.35
  5. Step 5: Solve for x
    x = 5,854,741,561.35/75,249.20
  6. Step 6: Final answer
    x = 77,804.70

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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.