Home / 89,186.08-123,082.32-49,442.08

Finding the Fourth Proportional to 89,186.08, 123,082.32 and 49,442.08

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Solution

The fourth proportional to 89,186.08, 123,082.32 and 49,442.08 is: 68,233.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,186.08 : 123,082.32 = 49,442.08 : x
  2. Step 2: Convert to fraction form
    89,186.08/123,082.32 = 49,442.08/x
  3. Step 3: Cross multiply
    89,186.08x = 123,082.32 × 49,442.08
  4. Step 4: Simplify right side
    89,186.08x = 6,085,445,912.03
  5. Step 5: Solve for x
    x = 6,085,445,912.03/89,186.08
  6. Step 6: Final answer
    x = 68,233.14

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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.