Home / 68,696.72-94,785.08-39,998.73

Finding the Fourth Proportional to 68,696.72, 94,785.08 and 39,998.73

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Solution

The fourth proportional to 68,696.72, 94,785.08 and 39,998.73 is: 55,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,696.72 : 94,785.08 = 39,998.73 : x
  2. Step 2: Convert to fraction form
    68,696.72/94,785.08 = 39,998.73/x
  3. Step 3: Cross multiply
    68,696.72x = 94,785.08 × 39,998.73
  4. Step 4: Simplify right side
    68,696.72x = 3,791,282,622.95
  5. Step 5: Solve for x
    x = 3,791,282,622.95/68,696.72
  6. Step 6: Final answer
    x = 55,188.70

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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.