Home / 217,082.52-325,594.22-57,145.05

Finding the Fourth Proportional to 217,082.52, 325,594.22 and 57,145.05

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Solution

The fourth proportional to 217,082.52, 325,594.22 and 57,145.05 is: 85,709.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,082.52 : 325,594.22 = 57,145.05 : x
  2. Step 2: Convert to fraction form
    217,082.52/325,594.22 = 57,145.05/x
  3. Step 3: Cross multiply
    217,082.52x = 325,594.22 × 57,145.05
  4. Step 4: Simplify right side
    217,082.52x = 18,606,097,695.89
  5. Step 5: Solve for x
    x = 18,606,097,695.89/217,082.52
  6. Step 6: Final answer
    x = 85,709.79

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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.