Home / 71,102.82-98,123.22-39,271.04

Finding the Fourth Proportional to 71,102.82, 98,123.22 and 39,271.04

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Solution

The fourth proportional to 71,102.82, 98,123.22 and 39,271.04 is: 54,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,102.82 : 98,123.22 = 39,271.04 : x
  2. Step 2: Convert to fraction form
    71,102.82/98,123.22 = 39,271.04/x
  3. Step 3: Cross multiply
    71,102.82x = 98,123.22 × 39,271.04
  4. Step 4: Simplify right side
    71,102.82x = 3,853,400,406.93
  5. Step 5: Solve for x
    x = 3,853,400,406.93/71,102.82
  6. Step 6: Final answer
    x = 54,194.76

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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.