Home / 89,230.44-123,141.45-48,945.90

Finding the Fourth Proportional to 89,230.44, 123,141.45 and 48,945.90

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Solution

The fourth proportional to 89,230.44, 123,141.45 and 48,945.90 is: 67,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,230.44 : 123,141.45 = 48,945.90 : x
  2. Step 2: Convert to fraction form
    89,230.44/123,141.45 = 48,945.90/x
  3. Step 3: Cross multiply
    89,230.44x = 123,141.45 × 48,945.90
  4. Step 4: Simplify right side
    89,230.44x = 6,027,269,097.56
  5. Step 5: Solve for x
    x = 6,027,269,097.56/89,230.44
  6. Step 6: Final answer
    x = 67,547.23

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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.