Home / 89,376.98-123,341.26-49,091.70

Finding the Fourth Proportional to 89,376.98, 123,341.26 and 49,091.70

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Solution

The fourth proportional to 89,376.98, 123,341.26 and 49,091.70 is: 67,747.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,376.98 : 123,341.26 = 49,091.70 : x
  2. Step 2: Convert to fraction form
    89,376.98/123,341.26 = 49,091.70/x
  3. Step 3: Cross multiply
    89,376.98x = 123,341.26 × 49,091.70
  4. Step 4: Simplify right side
    89,376.98x = 6,055,032,133.54
  5. Step 5: Solve for x
    x = 6,055,032,133.54/89,376.98
  6. Step 6: Final answer
    x = 67,747.11

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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.