Home / 67,282.61-92,845.55-40,409.15

Finding the Fourth Proportional to 67,282.61, 92,845.55 and 40,409.15

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Solution

The fourth proportional to 67,282.61, 92,845.55 and 40,409.15 is: 55,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,282.61 : 92,845.55 = 40,409.15 : x
  2. Step 2: Convert to fraction form
    67,282.61/92,845.55 = 40,409.15/x
  3. Step 3: Cross multiply
    67,282.61x = 92,845.55 × 40,409.15
  4. Step 4: Simplify right side
    67,282.61x = 3,751,809,393.58
  5. Step 5: Solve for x
    x = 3,751,809,393.58/67,282.61
  6. Step 6: Final answer
    x = 55,761.95

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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.