Home / 58,163.27-87,241.44-20,721.36

Finding the Fourth Proportional to 58,163.27, 87,241.44 and 20,721.36

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Solution

The fourth proportional to 58,163.27, 87,241.44 and 20,721.36 is: 31,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,163.27 : 87,241.44 = 20,721.36 : x
  2. Step 2: Convert to fraction form
    58,163.27/87,241.44 = 20,721.36/x
  3. Step 3: Cross multiply
    58,163.27x = 87,241.44 × 20,721.36
  4. Step 4: Simplify right side
    58,163.27x = 1,807,760,811.10
  5. Step 5: Solve for x
    x = 1,807,760,811.10/58,163.27
  6. Step 6: Final answer
    x = 31,080.80

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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.