Home / 68,406.05-94,402.64-38,191.73

Finding the Fourth Proportional to 68,406.05, 94,402.64 and 38,191.73

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Solution

The fourth proportional to 68,406.05, 94,402.64 and 38,191.73 is: 52,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,406.05 : 94,402.64 = 38,191.73 : x
  2. Step 2: Convert to fraction form
    68,406.05/94,402.64 = 38,191.73/x
  3. Step 3: Cross multiply
    68,406.05x = 94,402.64 × 38,191.73
  4. Step 4: Simplify right side
    68,406.05x = 3,605,399,761.63
  5. Step 5: Solve for x
    x = 3,605,399,761.63/68,406.05
  6. Step 6: Final answer
    x = 52,705.86

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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.