Home / 61,361.04-84,676.78-40,139.85

Finding the Fourth Proportional to 61,361.04, 84,676.78 and 40,139.85

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Solution

The fourth proportional to 61,361.04, 84,676.78 and 40,139.85 is: 55,392.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,361.04 : 84,676.78 = 40,139.85 : x
  2. Step 2: Convert to fraction form
    61,361.04/84,676.78 = 40,139.85/x
  3. Step 3: Cross multiply
    61,361.04x = 84,676.78 × 40,139.85
  4. Step 4: Simplify right side
    61,361.04x = 3,398,913,046.98
  5. Step 5: Solve for x
    x = 3,398,913,046.98/61,361.04
  6. Step 6: Final answer
    x = 55,392.04

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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.