Home / 53,163.44-79,760.76-15,724.50

Finding the Fourth Proportional to 53,163.44, 79,760.76 and 15,724.50

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Solution

The fourth proportional to 53,163.44, 79,760.76 and 15,724.50 is: 23,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,163.44 : 79,760.76 = 15,724.50 : x
  2. Step 2: Convert to fraction form
    53,163.44/79,760.76 = 15,724.50/x
  3. Step 3: Cross multiply
    53,163.44x = 79,760.76 × 15,724.50
  4. Step 4: Simplify right side
    53,163.44x = 1,254,197,992.00
  5. Step 5: Solve for x
    x = 1,254,197,992.00/53,163.44
  6. Step 6: Final answer
    x = 23,591.36

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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.