Home / 57,220.92-85,844.64-17,775.90

Finding the Fourth Proportional to 57,220.92, 85,844.64 and 17,775.90

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Solution

The fourth proportional to 57,220.92, 85,844.64 and 17,775.90 is: 26,667.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,220.92 : 85,844.64 = 17,775.90 : x
  2. Step 2: Convert to fraction form
    57,220.92/85,844.64 = 17,775.90/x
  3. Step 3: Cross multiply
    57,220.92x = 85,844.64 × 17,775.90
  4. Step 4: Simplify right side
    57,220.92x = 1,525,965,736.18
  5. Step 5: Solve for x
    x = 1,525,965,736.18/57,220.92
  6. Step 6: Final answer
    x = 26,667.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.