Home / 72,982.11-100,712.25-41,153.97

Finding the Fourth Proportional to 72,982.11, 100,712.25 and 41,153.97

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Solution

The fourth proportional to 72,982.11, 100,712.25 and 41,153.97 is: 56,790.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,982.11 : 100,712.25 = 41,153.97 : x
  2. Step 2: Convert to fraction form
    72,982.11/100,712.25 = 41,153.97/x
  3. Step 3: Cross multiply
    72,982.11x = 100,712.25 × 41,153.97
  4. Step 4: Simplify right side
    72,982.11x = 4,144,708,915.13
  5. Step 5: Solve for x
    x = 4,144,708,915.13/72,982.11
  6. Step 6: Final answer
    x = 56,790.75

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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.