Home / 89,512.29-123,529.05-49,228.56

Finding the Fourth Proportional to 89,512.29, 123,529.05 and 49,228.56

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Solution

The fourth proportional to 89,512.29, 123,529.05 and 49,228.56 is: 67,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,512.29 : 123,529.05 = 49,228.56 : x
  2. Step 2: Convert to fraction form
    89,512.29/123,529.05 = 49,228.56/x
  3. Step 3: Cross multiply
    89,512.29x = 123,529.05 × 49,228.56
  4. Step 4: Simplify right side
    89,512.29x = 6,081,157,249.67
  5. Step 5: Solve for x
    x = 6,081,157,249.67/89,512.29
  6. Step 6: Final answer
    x = 67,936.56

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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.