Home / 66,178.67-99,278.94-26,185.73

Finding the Fourth Proportional to 66,178.67, 99,278.94 and 26,185.73

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Solution

The fourth proportional to 66,178.67, 99,278.94 and 26,185.73 is: 39,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,178.67 : 99,278.94 = 26,185.73 : x
  2. Step 2: Convert to fraction form
    66,178.67/99,278.94 = 26,185.73/x
  3. Step 3: Cross multiply
    66,178.67x = 99,278.94 × 26,185.73
  4. Step 4: Simplify right side
    66,178.67x = 2,599,691,517.53
  5. Step 5: Solve for x
    x = 2,599,691,517.53/66,178.67
  6. Step 6: Final answer
    x = 39,282.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.