Home / 80,918.21-121,391.91-24,757.27

Finding the Fourth Proportional to 80,918.21, 121,391.91 and 24,757.27

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Solution

The fourth proportional to 80,918.21, 121,391.91 and 24,757.27 is: 37,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,918.21 : 121,391.91 = 24,757.27 : x
  2. Step 2: Convert to fraction form
    80,918.21/121,391.91 = 24,757.27/x
  3. Step 3: Cross multiply
    80,918.21x = 121,391.91 × 24,757.27
  4. Step 4: Simplify right side
    80,918.21x = 3,005,331,988.21
  5. Step 5: Solve for x
    x = 3,005,331,988.21/80,918.21
  6. Step 6: Final answer
    x = 37,140.37

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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.