Home / 78,493.37-117,744.13-25,906.95

Finding the Fourth Proportional to 78,493.37, 117,744.13 and 25,906.95

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Solution

The fourth proportional to 78,493.37, 117,744.13 and 25,906.95 is: 38,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,493.37 : 117,744.13 = 25,906.95 : x
  2. Step 2: Convert to fraction form
    78,493.37/117,744.13 = 25,906.95/x
  3. Step 3: Cross multiply
    78,493.37x = 117,744.13 × 25,906.95
  4. Step 4: Simplify right side
    78,493.37x = 3,050,391,288.70
  5. Step 5: Solve for x
    x = 3,050,391,288.70/78,493.37
  6. Step 6: Final answer
    x = 38,861.77

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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.