Home / 89,212.30-123,114.54-48,923.56

Finding the Fourth Proportional to 89,212.30, 123,114.54 and 48,923.56

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Solution

The fourth proportional to 89,212.30, 123,114.54 and 48,923.56 is: 67,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,212.30 : 123,114.54 = 48,923.56 : x
  2. Step 2: Convert to fraction form
    89,212.30/123,114.54 = 48,923.56/x
  3. Step 3: Cross multiply
    89,212.30x = 123,114.54 × 48,923.56
  4. Step 4: Simplify right side
    89,212.30x = 6,023,201,584.56
  5. Step 5: Solve for x
    x = 6,023,201,584.56/89,212.30
  6. Step 6: Final answer
    x = 67,515.37

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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.