Home / 57,639.93-86,452.60-18,201.03

Finding the Fourth Proportional to 57,639.93, 86,452.60 and 18,201.03

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Solution

The fourth proportional to 57,639.93, 86,452.60 and 18,201.03 is: 27,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,639.93 : 86,452.60 = 18,201.03 : x
  2. Step 2: Convert to fraction form
    57,639.93/86,452.60 = 18,201.03/x
  3. Step 3: Cross multiply
    57,639.93x = 86,452.60 × 18,201.03
  4. Step 4: Simplify right side
    57,639.93x = 1,573,526,366.18
  5. Step 5: Solve for x
    x = 1,573,526,366.18/57,639.93
  6. Step 6: Final answer
    x = 27,299.24

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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.