Home / 89,637.44-123,699.68-49,351.36

Finding the Fourth Proportional to 89,637.44, 123,699.68 and 49,351.36

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Solution

The fourth proportional to 89,637.44, 123,699.68 and 49,351.36 is: 68,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,637.44 : 123,699.68 = 49,351.36 : x
  2. Step 2: Convert to fraction form
    89,637.44/123,699.68 = 49,351.36/x
  3. Step 3: Cross multiply
    89,637.44x = 123,699.68 × 49,351.36
  4. Step 4: Simplify right side
    89,637.44x = 6,104,747,439.56
  5. Step 5: Solve for x
    x = 6,104,747,439.56/89,637.44
  6. Step 6: Final answer
    x = 68,104.88

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1.5x scale

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.