Home / 89,761.82-123,865.67-49,473.36

Finding the Fourth Proportional to 89,761.82, 123,865.67 and 49,473.36

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Solution

The fourth proportional to 89,761.82, 123,865.67 and 49,473.36 is: 68,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,761.82 : 123,865.67 = 49,473.36 : x
  2. Step 2: Convert to fraction form
    89,761.82/123,865.67 = 49,473.36/x
  3. Step 3: Cross multiply
    89,761.82x = 123,865.67 × 49,473.36
  4. Step 4: Simplify right side
    89,761.82x = 6,128,051,007.23
  5. Step 5: Solve for x
    x = 6,128,051,007.23/89,761.82
  6. Step 6: Final answer
    x = 68,270.13

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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.