Home / 57,354.24-78,965.76-48,936.96

Finding the Fourth Proportional to 57,354.24, 78,965.76 and 48,936.96

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Solution

The fourth proportional to 57,354.24, 78,965.76 and 48,936.96 is: 67,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,354.24 : 78,965.76 = 48,936.96 : x
  2. Step 2: Convert to fraction form
    57,354.24/78,965.76 = 48,936.96/x
  3. Step 3: Cross multiply
    57,354.24x = 78,965.76 × 48,936.96
  4. Step 4: Simplify right side
    57,354.24x = 3,864,344,238.49
  5. Step 5: Solve for x
    x = 3,864,344,238.49/57,354.24
  6. Step 6: Final answer
    x = 67,376.78

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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.