Home / 74,917.16-112,380.06-28,170.44

Finding the Fourth Proportional to 74,917.16, 112,380.06 and 28,170.44

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Solution

The fourth proportional to 74,917.16, 112,380.06 and 28,170.44 is: 42,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,917.16 : 112,380.06 = 28,170.44 : x
  2. Step 2: Convert to fraction form
    74,917.16/112,380.06 = 28,170.44/x
  3. Step 3: Cross multiply
    74,917.16x = 112,380.06 × 28,170.44
  4. Step 4: Simplify right side
    74,917.16x = 3,165,795,175.53
  5. Step 5: Solve for x
    x = 3,165,795,175.53/74,917.16
  6. Step 6: Final answer
    x = 42,257.28

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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.