Home / 67,285.98-92,850.21-40,412.52

Finding the Fourth Proportional to 67,285.98, 92,850.21 and 40,412.52

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Solution

The fourth proportional to 67,285.98, 92,850.21 and 40,412.52 is: 55,766.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,285.98 : 92,850.21 = 40,412.52 : x
  2. Step 2: Convert to fraction form
    67,285.98/92,850.21 = 40,412.52/x
  3. Step 3: Cross multiply
    67,285.98x = 92,850.21 × 40,412.52
  4. Step 4: Simplify right side
    67,285.98x = 3,752,310,968.63
  5. Step 5: Solve for x
    x = 3,752,310,968.63/67,285.98
  6. Step 6: Final answer
    x = 55,766.61

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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.