Home / 57,721.32-86,515.92-26,155.44

Finding the Fourth Proportional to 57,721.32, 86,515.92 and 26,155.44

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Solution

The fourth proportional to 57,721.32, 86,515.92 and 26,155.44 is: 39,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721.32 : 86,515.92 = 26,155.44 : x
  2. Step 2: Convert to fraction form
    57,721.32/86,515.92 = 26,155.44/x
  3. Step 3: Cross multiply
    57,721.32x = 86,515.92 × 26,155.44
  4. Step 4: Simplify right side
    57,721.32x = 2,262,861,954.60
  5. Step 5: Solve for x
    x = 2,262,861,954.60/57,721.32
  6. Step 6: Final answer
    x = 39,203.23

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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.