Home / 75,950.38-113,826.48-54,961.12

Finding the Fourth Proportional to 75,950.38, 113,826.48 and 54,961.12

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Solution

The fourth proportional to 75,950.38, 113,826.48 and 54,961.12 is: 82,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,950.38 : 113,826.48 = 54,961.12 : x
  2. Step 2: Convert to fraction form
    75,950.38/113,826.48 = 54,961.12/x
  3. Step 3: Cross multiply
    75,950.38x = 113,826.48 × 54,961.12
  4. Step 4: Simplify right side
    75,950.38x = 6,256,030,826.46
  5. Step 5: Solve for x
    x = 6,256,030,826.46/75,950.38
  6. Step 6: Final answer
    x = 82,369.97

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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.