Home / 68,865.12-95,018.40-40,573.44

Finding the Fourth Proportional to 68,865.12, 95,018.40 and 40,573.44

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Solution

The fourth proportional to 68,865.12, 95,018.40 and 40,573.44 is: 55,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,865.12 : 95,018.40 = 40,573.44 : x
  2. Step 2: Convert to fraction form
    68,865.12/95,018.40 = 40,573.44/x
  3. Step 3: Cross multiply
    68,865.12x = 95,018.40 × 40,573.44
  4. Step 4: Simplify right side
    68,865.12x = 3,855,223,351.30
  5. Step 5: Solve for x
    x = 3,855,223,351.30/68,865.12
  6. Step 6: Final answer
    x = 55,982.24

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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.