Home / 68,133.37-94,035.33-39,833.59

Finding the Fourth Proportional to 68,133.37, 94,035.33 and 39,833.59

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Solution

The fourth proportional to 68,133.37, 94,035.33 and 39,833.59 is: 54,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,133.37 : 94,035.33 = 39,833.59 : x
  2. Step 2: Convert to fraction form
    68,133.37/94,035.33 = 39,833.59/x
  3. Step 3: Cross multiply
    68,133.37x = 94,035.33 × 39,833.59
  4. Step 4: Simplify right side
    68,133.37x = 3,745,764,780.73
  5. Step 5: Solve for x
    x = 3,745,764,780.73/68,133.37
  6. Step 6: Final answer
    x = 54,976.95

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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.