Home / 77,288.72-106,658.28-43,757.84

Finding the Fourth Proportional to 77,288.72, 106,658.28 and 43,757.84

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Solution

The fourth proportional to 77,288.72, 106,658.28 and 43,757.84 is: 60,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,288.72 : 106,658.28 = 43,757.84 : x
  2. Step 2: Convert to fraction form
    77,288.72/106,658.28 = 43,757.84/x
  3. Step 3: Cross multiply
    77,288.72x = 106,658.28 × 43,757.84
  4. Step 4: Simplify right side
    77,288.72x = 4,667,135,950.92
  5. Step 5: Solve for x
    x = 4,667,135,950.92/77,288.72
  6. Step 6: Final answer
    x = 60,385.73

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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.