Home / 57,217.78-78,944.18-33,016.84

Finding the Fourth Proportional to 57,217.78, 78,944.18 and 33,016.84

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Solution

The fourth proportional to 57,217.78, 78,944.18 and 33,016.84 is: 45,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,217.78 : 78,944.18 = 33,016.84 : x
  2. Step 2: Convert to fraction form
    57,217.78/78,944.18 = 33,016.84/x
  3. Step 3: Cross multiply
    57,217.78x = 78,944.18 × 33,016.84
  4. Step 4: Simplify right side
    57,217.78x = 2,606,487,359.99
  5. Step 5: Solve for x
    x = 2,606,487,359.99/57,217.78
  6. Step 6: Final answer
    x = 45,553.80

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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.