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Finding the Fourth Proportional to 73,391.01, 110,086.52 and 20,800.50

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Solution

The fourth proportional to 73,391.01, 110,086.52 and 20,800.50 is: 31,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,391.01 : 110,086.52 = 20,800.50 : x
  2. Step 2: Convert to fraction form
    73,391.01/110,086.52 = 20,800.50/x
  3. Step 3: Cross multiply
    73,391.01x = 110,086.52 × 20,800.50
  4. Step 4: Simplify right side
    73,391.01x = 2,289,854,659.26
  5. Step 5: Solve for x
    x = 2,289,854,659.26/73,391.01
  6. Step 6: Final answer
    x = 31,200.75

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Similar ratio
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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.