Home / 78,832.58-108,789.26-43,023.38

Finding the Fourth Proportional to 78,832.58, 108,789.26 and 43,023.38

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Solution

The fourth proportional to 78,832.58, 108,789.26 and 43,023.38 is: 59,372.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,832.58 : 108,789.26 = 43,023.38 : x
  2. Step 2: Convert to fraction form
    78,832.58/108,789.26 = 43,023.38/x
  3. Step 3: Cross multiply
    78,832.58x = 108,789.26 × 43,023.38
  4. Step 4: Simplify right side
    78,832.58x = 4,680,480,913.84
  5. Step 5: Solve for x
    x = 4,680,480,913.84/78,832.58
  6. Step 6: Final answer
    x = 59,372.42

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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.