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Finding the Fourth Proportional to 73,697.81, 110,570.08 and 26,311.87

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Solution

The fourth proportional to 73,697.81, 110,570.08 and 26,311.87 is: 39,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,697.81 : 110,570.08 = 26,311.87 : x
  2. Step 2: Convert to fraction form
    73,697.81/110,570.08 = 26,311.87/x
  3. Step 3: Cross multiply
    73,697.81x = 110,570.08 × 26,311.87
  4. Step 4: Simplify right side
    73,697.81x = 2,909,305,570.85
  5. Step 5: Solve for x
    x = 2,909,305,570.85/73,697.81
  6. Step 6: Final answer
    x = 39,476.15

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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.