Home / 89,376.82-123,343.16-49,094.30

Finding the Fourth Proportional to 89,376.82, 123,343.16 and 49,094.30

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Solution

The fourth proportional to 89,376.82, 123,343.16 and 49,094.30 is: 67,751.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,376.82 : 123,343.16 = 49,094.30 : x
  2. Step 2: Convert to fraction form
    89,376.82/123,343.16 = 49,094.30/x
  3. Step 3: Cross multiply
    89,376.82x = 123,343.16 × 49,094.30
  4. Step 4: Simplify right side
    89,376.82x = 6,055,446,162.87
  5. Step 5: Solve for x
    x = 6,055,446,162.87/89,376.82
  6. Step 6: Final answer
    x = 67,751.87

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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.