Home / 78,469.22-117,691.41-34,084.07

Finding the Fourth Proportional to 78,469.22, 117,691.41 and 34,084.07

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Solution

The fourth proportional to 78,469.22, 117,691.41 and 34,084.07 is: 51,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,469.22 : 117,691.41 = 34,084.07 : x
  2. Step 2: Convert to fraction form
    78,469.22/117,691.41 = 34,084.07/x
  3. Step 3: Cross multiply
    78,469.22x = 117,691.41 × 34,084.07
  4. Step 4: Simplify right side
    78,469.22x = 4,011,402,256.84
  5. Step 5: Solve for x
    x = 4,011,402,256.84/78,469.22
  6. Step 6: Final answer
    x = 51,120.71

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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.