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Finding the Fourth Proportional to 65,435.68, 98,173.23 and 23,310.27

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Solution

The fourth proportional to 65,435.68, 98,173.23 and 23,310.27 is: 34,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,435.68 : 98,173.23 = 23,310.27 : x
  2. Step 2: Convert to fraction form
    65,435.68/98,173.23 = 23,310.27/x
  3. Step 3: Cross multiply
    65,435.68x = 98,173.23 × 23,310.27
  4. Step 4: Simplify right side
    65,435.68x = 2,288,444,265.67
  5. Step 5: Solve for x
    x = 2,288,444,265.67/65,435.68
  6. Step 6: Final answer
    x = 34,972.42

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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.