Home / 67,086.90-92,580.00-36,872.21

Finding the Fourth Proportional to 67,086.90, 92,580.00 and 36,872.21

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Solution

The fourth proportional to 67,086.90, 92,580.00 and 36,872.21 is: 50,883.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,086.90 : 92,580.00 = 36,872.21 : x
  2. Step 2: Convert to fraction form
    67,086.90/92,580.00 = 36,872.21/x
  3. Step 3: Cross multiply
    67,086.90x = 92,580.00 × 36,872.21
  4. Step 4: Simplify right side
    67,086.90x = 3,413,629,294.98
  5. Step 5: Solve for x
    x = 3,413,629,294.98/67,086.90
  6. Step 6: Final answer
    x = 50,883.69

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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.