Home / 89,811.24-123,936.64-49,525.75

Finding the Fourth Proportional to 89,811.24, 123,936.64 and 49,525.75

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Solution

The fourth proportional to 89,811.24, 123,936.64 and 49,525.75 is: 68,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,811.24 : 123,936.64 = 49,525.75 : x
  2. Step 2: Convert to fraction form
    89,811.24/123,936.64 = 49,525.75/x
  3. Step 3: Cross multiply
    89,811.24x = 123,936.64 × 49,525.75
  4. Step 4: Simplify right side
    89,811.24x = 6,138,055,048.48
  5. Step 5: Solve for x
    x = 6,138,055,048.48/89,811.24
  6. Step 6: Final answer
    x = 68,343.95

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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.