Home / 68,163.30-94,063.05-38,349.54

Finding the Fourth Proportional to 68,163.30, 94,063.05 and 38,349.54

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Solution

The fourth proportional to 68,163.30, 94,063.05 and 38,349.54 is: 52,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,163.30 : 94,063.05 = 38,349.54 : x
  2. Step 2: Convert to fraction form
    68,163.30/94,063.05 = 38,349.54/x
  3. Step 3: Cross multiply
    68,163.30x = 94,063.05 × 38,349.54
  4. Step 4: Simplify right side
    68,163.30x = 3,607,274,698.50
  5. Step 5: Solve for x
    x = 3,607,274,698.50/68,163.30
  6. Step 6: Final answer
    x = 52,921.07

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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.