Home / 61,721.24-85,180.55-34,868.68

Finding the Fourth Proportional to 61,721.24, 85,180.55 and 34,868.68

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Solution

The fourth proportional to 61,721.24, 85,180.55 and 34,868.68 is: 48,121.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,721.24 : 85,180.55 = 34,868.68 : x
  2. Step 2: Convert to fraction form
    61,721.24/85,180.55 = 34,868.68/x
  3. Step 3: Cross multiply
    61,721.24x = 85,180.55 × 34,868.68
  4. Step 4: Simplify right side
    61,721.24x = 2,970,133,001.44
  5. Step 5: Solve for x
    x = 2,970,133,001.44/61,721.24
  6. Step 6: Final answer
    x = 48,121.73

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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.