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Finding the Fourth Proportional to 73,102.01, 109,666.69 and 23,168.70

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Solution

The fourth proportional to 73,102.01, 109,666.69 and 23,168.70 is: 34,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,102.01 : 109,666.69 = 23,168.70 : x
  2. Step 2: Convert to fraction form
    73,102.01/109,666.69 = 23,168.70/x
  3. Step 3: Cross multiply
    73,102.01x = 109,666.69 × 23,168.70
  4. Step 4: Simplify right side
    73,102.01x = 2,540,833,976.43
  5. Step 5: Solve for x
    x = 2,540,833,976.43/73,102.01
  6. Step 6: Final answer
    x = 34,757.38

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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.