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Finding the Fourth Proportional to 76,793.01, 115,185.95 and 26,884.31

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Solution

The fourth proportional to 76,793.01, 115,185.95 and 26,884.31 is: 40,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,793.01 : 115,185.95 = 26,884.31 : x
  2. Step 2: Convert to fraction form
    76,793.01/115,185.95 = 26,884.31/x
  3. Step 3: Cross multiply
    76,793.01x = 115,185.95 × 26,884.31
  4. Step 4: Simplify right side
    76,793.01x = 3,096,694,177.91
  5. Step 5: Solve for x
    x = 3,096,694,177.91/76,793.01
  6. Step 6: Final answer
    x = 40,325.21

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1.5x scale

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.