Home / 74,942.28-103,421.34-40,951.44

Finding the Fourth Proportional to 74,942.28, 103,421.34 and 40,951.44

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Solution

The fourth proportional to 74,942.28, 103,421.34 and 40,951.44 is: 56,513.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,942.28 : 103,421.34 = 40,951.44 : x
  2. Step 2: Convert to fraction form
    74,942.28/103,421.34 = 40,951.44/x
  3. Step 3: Cross multiply
    74,942.28x = 103,421.34 × 40,951.44
  4. Step 4: Simplify right side
    74,942.28x = 4,235,252,799.73
  5. Step 5: Solve for x
    x = 4,235,252,799.73/74,942.28
  6. Step 6: Final answer
    x = 56,513.53

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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.