Home / 78,836.68-108,793.02-43,026.58

Finding the Fourth Proportional to 78,836.68, 108,793.02 and 43,026.58

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Solution

The fourth proportional to 78,836.68, 108,793.02 and 43,026.58 is: 59,375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,836.68 : 108,793.02 = 43,026.58 : x
  2. Step 2: Convert to fraction form
    78,836.68/108,793.02 = 43,026.58/x
  3. Step 3: Cross multiply
    78,836.68x = 108,793.02 × 43,026.58
  4. Step 4: Simplify right side
    78,836.68x = 4,680,991,578.47
  5. Step 5: Solve for x
    x = 4,680,991,578.47/78,836.68
  6. Step 6: Final answer
    x = 59,375.81

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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.