Home / 74,942.34-112,380.54-39,873.66

Finding the Fourth Proportional to 74,942.34, 112,380.54 and 39,873.66

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Solution

The fourth proportional to 74,942.34, 112,380.54 and 39,873.66 is: 59,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,942.34 : 112,380.54 = 39,873.66 : x
  2. Step 2: Convert to fraction form
    74,942.34/112,380.54 = 39,873.66/x
  3. Step 3: Cross multiply
    74,942.34x = 112,380.54 × 39,873.66
  4. Step 4: Simplify right side
    74,942.34x = 4,481,023,442.58
  5. Step 5: Solve for x
    x = 4,481,023,442.58/74,942.34
  6. Step 6: Final answer
    x = 59,792.95

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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.