Home / 89,049.25-122,887.97-49,305.25

Finding the Fourth Proportional to 89,049.25, 122,887.97 and 49,305.25

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Solution

The fourth proportional to 89,049.25, 122,887.97 and 49,305.25 is: 68,041.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,049.25 : 122,887.97 = 49,305.25 : x
  2. Step 2: Convert to fraction form
    89,049.25/122,887.97 = 49,305.25/x
  3. Step 3: Cross multiply
    89,049.25x = 122,887.97 × 49,305.25
  4. Step 4: Simplify right side
    89,049.25x = 6,059,022,082.84
  5. Step 5: Solve for x
    x = 6,059,022,082.84/89,049.25
  6. Step 6: Final answer
    x = 68,041.25

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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.