Home / 89,224.30-123,129.71-48,938.39

Finding the Fourth Proportional to 89,224.30, 123,129.71 and 48,938.39

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Solution

The fourth proportional to 89,224.30, 123,129.71 and 48,938.39 is: 67,535.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,224.30 : 123,129.71 = 48,938.39 : x
  2. Step 2: Convert to fraction form
    89,224.30/123,129.71 = 48,938.39/x
  3. Step 3: Cross multiply
    89,224.30x = 123,129.71 × 48,938.39
  4. Step 4: Simplify right side
    89,224.30x = 6,025,769,768.57
  5. Step 5: Solve for x
    x = 6,025,769,768.57/89,224.30
  6. Step 6: Final answer
    x = 67,535.07

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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.