Home / 68,927.03-103,404.38-31,477.04

Finding the Fourth Proportional to 68,927.03, 103,404.38 and 31,477.04

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Solution

The fourth proportional to 68,927.03, 103,404.38 and 31,477.04 is: 47,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,927.03 : 103,404.38 = 31,477.04 : x
  2. Step 2: Convert to fraction form
    68,927.03/103,404.38 = 31,477.04/x
  3. Step 3: Cross multiply
    68,927.03x = 103,404.38 × 31,477.04
  4. Step 4: Simplify right side
    68,927.03x = 3,254,863,805.44
  5. Step 5: Solve for x
    x = 3,254,863,805.44/68,927.03
  6. Step 6: Final answer
    x = 47,221.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.