Home / 89,224.09-123,129.41-48,938.18

Finding the Fourth Proportional to 89,224.09, 123,129.41 and 48,938.18

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Solution

The fourth proportional to 89,224.09, 123,129.41 and 48,938.18 is: 67,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,224.09 : 123,129.41 = 48,938.18 : x
  2. Step 2: Convert to fraction form
    89,224.09/123,129.41 = 48,938.18/x
  3. Step 3: Cross multiply
    89,224.09x = 123,129.41 × 48,938.18
  4. Step 4: Simplify right side
    89,224.09x = 6,025,729,229.87
  5. Step 5: Solve for x
    x = 6,025,729,229.87/89,224.09
  6. Step 6: Final answer
    x = 67,534.78

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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.