Home / 61,108.20-84,299.16-40,969.44

Finding the Fourth Proportional to 61,108.20, 84,299.16 and 40,969.44

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Solution

The fourth proportional to 61,108.20, 84,299.16 and 40,969.44 is: 56,517.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,108.20 : 84,299.16 = 40,969.44 : x
  2. Step 2: Convert to fraction form
    61,108.20/84,299.16 = 40,969.44/x
  3. Step 3: Cross multiply
    61,108.20x = 84,299.16 × 40,969.44
  4. Step 4: Simplify right side
    61,108.20x = 3,453,689,377.67
  5. Step 5: Solve for x
    x = 3,453,689,377.67/61,108.20
  6. Step 6: Final answer
    x = 56,517.61

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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.