Home / 74,543.28-102,868.20-40,552.44

Finding the Fourth Proportional to 74,543.28, 102,868.20 and 40,552.44

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Solution

The fourth proportional to 74,543.28, 102,868.20 and 40,552.44 is: 55,961.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,543.28 : 102,868.20 = 40,552.44 : x
  2. Step 2: Convert to fraction form
    74,543.28/102,868.20 = 40,552.44/x
  3. Step 3: Cross multiply
    74,543.28x = 102,868.20 × 40,552.44
  4. Step 4: Simplify right side
    74,543.28x = 4,171,556,508.41
  5. Step 5: Solve for x
    x = 4,171,556,508.41/74,543.28
  6. Step 6: Final answer
    x = 55,961.54

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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.