Home / 61,180.21-84,339.31-43,243.57

Finding the Fourth Proportional to 61,180.21, 84,339.31 and 43,243.57

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Solution

The fourth proportional to 61,180.21, 84,339.31 and 43,243.57 is: 59,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,180.21 : 84,339.31 = 43,243.57 : x
  2. Step 2: Convert to fraction form
    61,180.21/84,339.31 = 43,243.57/x
  3. Step 3: Cross multiply
    61,180.21x = 84,339.31 × 43,243.57
  4. Step 4: Simplify right side
    61,180.21x = 3,647,132,855.74
  5. Step 5: Solve for x
    x = 3,647,132,855.74/61,180.21
  6. Step 6: Final answer
    x = 59,612.95

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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.