Home / 68,611.56-94,687.44-40,326.36

Finding the Fourth Proportional to 68,611.56, 94,687.44 and 40,326.36

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Solution

The fourth proportional to 68,611.56, 94,687.44 and 40,326.36 is: 55,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,611.56 : 94,687.44 = 40,326.36 : x
  2. Step 2: Convert to fraction form
    68,611.56/94,687.44 = 40,326.36/x
  3. Step 3: Cross multiply
    68,611.56x = 94,687.44 × 40,326.36
  4. Step 4: Simplify right side
    68,611.56x = 3,818,399,792.92
  5. Step 5: Solve for x
    x = 3,818,399,792.92/68,611.56
  6. Step 6: Final answer
    x = 55,652.43

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1.5x scale

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.