Home / 89,542.75-123,566.36-49,256.49

Finding the Fourth Proportional to 89,542.75, 123,566.36 and 49,256.49

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Solution

The fourth proportional to 89,542.75, 123,566.36 and 49,256.49 is: 67,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,542.75 : 123,566.36 = 49,256.49 : x
  2. Step 2: Convert to fraction form
    89,542.75/123,566.36 = 49,256.49/x
  3. Step 3: Cross multiply
    89,542.75x = 123,566.36 × 49,256.49
  4. Step 4: Simplify right side
    89,542.75x = 6,086,444,974.77
  5. Step 5: Solve for x
    x = 6,086,444,974.77/89,542.75
  6. Step 6: Final answer
    x = 67,972.50

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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.