Home / 89,782.06-123,900.06-49,497.28

Finding the Fourth Proportional to 89,782.06, 123,900.06 and 49,497.28

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Solution

The fourth proportional to 89,782.06, 123,900.06 and 49,497.28 is: 68,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,782.06 : 123,900.06 = 49,497.28 : x
  2. Step 2: Convert to fraction form
    89,782.06/123,900.06 = 49,497.28/x
  3. Step 3: Cross multiply
    89,782.06x = 123,900.06 × 49,497.28
  4. Step 4: Simplify right side
    89,782.06x = 6,132,715,961.84
  5. Step 5: Solve for x
    x = 6,132,715,961.84/89,782.06
  6. Step 6: Final answer
    x = 68,306.70

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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.