Home / 120,082.24-180,116.87-60,916.38

Finding the Fourth Proportional to 120,082.24, 180,116.87 and 60,916.38

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Solution

The fourth proportional to 120,082.24, 180,116.87 and 60,916.38 is: 91,371.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,082.24 : 180,116.87 = 60,916.38 : x
  2. Step 2: Convert to fraction form
    120,082.24/180,116.87 = 60,916.38/x
  3. Step 3: Cross multiply
    120,082.24x = 180,116.87 × 60,916.38
  4. Step 4: Simplify right side
    120,082.24x = 10,972,066,717.31
  5. Step 5: Solve for x
    x = 10,972,066,717.31/120,082.24
  6. Step 6: Final answer
    x = 91,371.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.