Home / 71,074.38-98,082.60-39,243.27

Finding the Fourth Proportional to 71,074.38, 98,082.60 and 39,243.27

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Solution

The fourth proportional to 71,074.38, 98,082.60 and 39,243.27 is: 54,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,074.38 : 98,082.60 = 39,243.27 : x
  2. Step 2: Convert to fraction form
    71,074.38/98,082.60 = 39,243.27/x
  3. Step 3: Cross multiply
    71,074.38x = 98,082.60 × 39,243.27
  4. Step 4: Simplify right side
    71,074.38x = 3,849,081,954.10
  5. Step 5: Solve for x
    x = 3,849,081,954.10/71,074.38
  6. Step 6: Final answer
    x = 54,155.69

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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.