Home / 89,822.99-123,954.09-49,540.48

Finding the Fourth Proportional to 89,822.99, 123,954.09 and 49,540.48

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Solution

The fourth proportional to 89,822.99, 123,954.09 and 49,540.48 is: 68,364.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,822.99 : 123,954.09 = 49,540.48 : x
  2. Step 2: Convert to fraction form
    89,822.99/123,954.09 = 49,540.48/x
  3. Step 3: Cross multiply
    89,822.99x = 123,954.09 × 49,540.48
  4. Step 4: Simplify right side
    89,822.99x = 6,140,745,116.56
  5. Step 5: Solve for x
    x = 6,140,745,116.56/89,822.99
  6. Step 6: Final answer
    x = 68,364.96

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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.