Home / 78,835.64-108,793.54-43,026.44

Finding the Fourth Proportional to 78,835.64, 108,793.54 and 43,026.44

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Solution

The fourth proportional to 78,835.64, 108,793.54 and 43,026.44 is: 59,376.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,835.64 : 108,793.54 = 43,026.44 : x
  2. Step 2: Convert to fraction form
    78,835.64/108,793.54 = 43,026.44/x
  3. Step 3: Cross multiply
    78,835.64x = 108,793.54 × 43,026.44
  4. Step 4: Simplify right side
    78,835.64x = 4,680,998,721.20
  5. Step 5: Solve for x
    x = 4,680,998,721.20/78,835.64
  6. Step 6: Final answer
    x = 59,376.68

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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.