Home / 57,806.40-86,683.68-26,650.56

Finding the Fourth Proportional to 57,806.40, 86,683.68 and 26,650.56

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Solution

The fourth proportional to 57,806.40, 86,683.68 and 26,650.56 is: 39,963.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,806.40 : 86,683.68 = 26,650.56 : x
  2. Step 2: Convert to fraction form
    57,806.40/86,683.68 = 26,650.56/x
  3. Step 3: Cross multiply
    57,806.40x = 86,683.68 × 26,650.56
  4. Step 4: Simplify right side
    57,806.40x = 2,310,168,614.86
  5. Step 5: Solve for x
    x = 2,310,168,614.86/57,806.40
  6. Step 6: Final answer
    x = 39,963.89

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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.