Home / 68,257.42-94,197.09-39,190.66

Finding the Fourth Proportional to 68,257.42, 94,197.09 and 39,190.66

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Solution

The fourth proportional to 68,257.42, 94,197.09 and 39,190.66 is: 54,084.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,257.42 : 94,197.09 = 39,190.66 : x
  2. Step 2: Convert to fraction form
    68,257.42/94,197.09 = 39,190.66/x
  3. Step 3: Cross multiply
    68,257.42x = 94,197.09 × 39,190.66
  4. Step 4: Simplify right side
    68,257.42x = 3,691,646,127.18
  5. Step 5: Solve for x
    x = 3,691,646,127.18/68,257.42
  6. Step 6: Final answer
    x = 54,084.17

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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.