Home / 74,766.20-103,179.66-42,941.48

Finding the Fourth Proportional to 74,766.20, 103,179.66 and 42,941.48

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Solution

The fourth proportional to 74,766.20, 103,179.66 and 42,941.48 is: 59,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,766.20 : 103,179.66 = 42,941.48 : x
  2. Step 2: Convert to fraction form
    74,766.20/103,179.66 = 42,941.48/x
  3. Step 3: Cross multiply
    74,766.20x = 103,179.66 × 42,941.48
  4. Step 4: Simplify right side
    74,766.20x = 4,430,687,306.30
  5. Step 5: Solve for x
    x = 4,430,687,306.30/74,766.20
  6. Step 6: Final answer
    x = 59,260.57

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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.