Home / 66,849.38-92,252.15-39,993.02

Finding the Fourth Proportional to 66,849.38, 92,252.15 and 39,993.02

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Solution

The fourth proportional to 66,849.38, 92,252.15 and 39,993.02 is: 55,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,849.38 : 92,252.15 = 39,993.02 : x
  2. Step 2: Convert to fraction form
    66,849.38/92,252.15 = 39,993.02/x
  3. Step 3: Cross multiply
    66,849.38x = 92,252.15 × 39,993.02
  4. Step 4: Simplify right side
    66,849.38x = 3,689,442,079.99
  5. Step 5: Solve for x
    x = 3,689,442,079.99/66,849.38
  6. Step 6: Final answer
    x = 55,190.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.