Home / 57,898.78-86,856.46-17,921.27

Finding the Fourth Proportional to 57,898.78, 86,856.46 and 17,921.27

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Solution

The fourth proportional to 57,898.78, 86,856.46 and 17,921.27 is: 26,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,898.78 : 86,856.46 = 17,921.27 : x
  2. Step 2: Convert to fraction form
    57,898.78/86,856.46 = 17,921.27/x
  3. Step 3: Cross multiply
    57,898.78x = 86,856.46 × 17,921.27
  4. Step 4: Simplify right side
    57,898.78x = 1,556,577,636.62
  5. Step 5: Solve for x
    x = 1,556,577,636.62/57,898.78
  6. Step 6: Final answer
    x = 26,884.47

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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.