Home / 89,796.96-123,920.67-49,512.30

Finding the Fourth Proportional to 89,796.96, 123,920.67 and 49,512.30

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Solution

The fourth proportional to 89,796.96, 123,920.67 and 49,512.30 is: 68,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,796.96 : 123,920.67 = 49,512.30 : x
  2. Step 2: Convert to fraction form
    89,796.96/123,920.67 = 49,512.30/x
  3. Step 3: Cross multiply
    89,796.96x = 123,920.67 × 49,512.30
  4. Step 4: Simplify right side
    89,796.96x = 6,135,597,389.24
  5. Step 5: Solve for x
    x = 6,135,597,389.24/89,796.96
  6. Step 6: Final answer
    x = 68,327.45

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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.