Home / 68,769.08-94,902.20-38,560.92

Finding the Fourth Proportional to 68,769.08, 94,902.20 and 38,560.92

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Solution

The fourth proportional to 68,769.08, 94,902.20 and 38,560.92 is: 53,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,769.08 : 94,902.20 = 38,560.92 : x
  2. Step 2: Convert to fraction form
    68,769.08/94,902.20 = 38,560.92/x
  3. Step 3: Cross multiply
    68,769.08x = 94,902.20 × 38,560.92
  4. Step 4: Simplify right side
    68,769.08x = 3,659,516,142.02
  5. Step 5: Solve for x
    x = 3,659,516,142.02/68,769.08
  6. Step 6: Final answer
    x = 53,214.56

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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.