Home / 57,542.25-86,307.22-15,426.55

Finding the Fourth Proportional to 57,542.25, 86,307.22 and 15,426.55

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Solution

The fourth proportional to 57,542.25, 86,307.22 and 15,426.55 is: 23,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,542.25 : 86,307.22 = 15,426.55 : x
  2. Step 2: Convert to fraction form
    57,542.25/86,307.22 = 15,426.55/x
  3. Step 3: Cross multiply
    57,542.25x = 86,307.22 × 15,426.55
  4. Step 4: Simplify right side
    57,542.25x = 1,331,422,771.86
  5. Step 5: Solve for x
    x = 1,331,422,771.86/57,542.25
  6. Step 6: Final answer
    x = 23,138.18

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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.