Home / 71,073.72-98,082.36-39,245.04

Finding the Fourth Proportional to 71,073.72, 98,082.36 and 39,245.04

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Solution

The fourth proportional to 71,073.72, 98,082.36 and 39,245.04 is: 54,158.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,073.72 : 98,082.36 = 39,245.04 : x
  2. Step 2: Convert to fraction form
    71,073.72/98,082.36 = 39,245.04/x
  3. Step 3: Cross multiply
    71,073.72x = 98,082.36 × 39,245.04
  4. Step 4: Simplify right side
    71,073.72x = 3,849,246,141.49
  5. Step 5: Solve for x
    x = 3,849,246,141.49/71,073.72
  6. Step 6: Final answer
    x = 54,158.50

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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.