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Finding the Fourth Proportional to 66,682, 100,023.96 and 17,434

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Solution

The fourth proportional to 66,682, 100,023.96 and 17,434 is: 26,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,682 : 100,023.96 = 17,434 : x
  2. Step 2: Convert to fraction form
    66,682/100,023.96 = 17,434/x
  3. Step 3: Cross multiply
    66,682x = 100,023.96 × 17,434
  4. Step 4: Simplify right side
    66,682x = 1,743,817,718.64
  5. Step 5: Solve for x
    x = 1,743,817,718.64/66,682
  6. Step 6: Final answer
    x = 26,151.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.