Home / 61,936.68-92,911.19-19,806.18

Finding the Fourth Proportional to 61,936.68, 92,911.19 and 19,806.18

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Solution

The fourth proportional to 61,936.68, 92,911.19 and 19,806.18 is: 29,711.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,936.68 : 92,911.19 = 19,806.18 : x
  2. Step 2: Convert to fraction form
    61,936.68/92,911.19 = 19,806.18/x
  3. Step 3: Cross multiply
    61,936.68x = 92,911.19 × 19,806.18
  4. Step 4: Simplify right side
    61,936.68x = 1,840,215,654.12
  5. Step 5: Solve for x
    x = 1,840,215,654.12/61,936.68
  6. Step 6: Final answer
    x = 29,711.24

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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.