Home / 67,098.45-92,599.43-40,242.09

Finding the Fourth Proportional to 67,098.45, 92,599.43 and 40,242.09

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Solution

The fourth proportional to 67,098.45, 92,599.43 and 40,242.09 is: 55,536.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,098.45 : 92,599.43 = 40,242.09 : x
  2. Step 2: Convert to fraction form
    67,098.45/92,599.43 = 40,242.09/x
  3. Step 3: Cross multiply
    67,098.45x = 92,599.43 × 40,242.09
  4. Step 4: Simplify right side
    67,098.45x = 3,726,394,394.80
  5. Step 5: Solve for x
    x = 3,726,394,394.80/67,098.45
  6. Step 6: Final answer
    x = 55,536.22

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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.