Home / 78,753.22-118,207.59-34,410.58

Finding the Fourth Proportional to 78,753.22, 118,207.59 and 34,410.58

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Solution

The fourth proportional to 78,753.22, 118,207.59 and 34,410.58 is: 51,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,753.22 : 118,207.59 = 34,410.58 : x
  2. Step 2: Convert to fraction form
    78,753.22/118,207.59 = 34,410.58/x
  3. Step 3: Cross multiply
    78,753.22x = 118,207.59 × 34,410.58
  4. Step 4: Simplify right side
    78,753.22x = 4,067,591,732.30
  5. Step 5: Solve for x
    x = 4,067,591,732.30/78,753.22
  6. Step 6: Final answer
    x = 51,649.85

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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.