Home / 80,912.21-121,363.95-24,752.33

Finding the Fourth Proportional to 80,912.21, 121,363.95 and 24,752.33

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Solution

The fourth proportional to 80,912.21, 121,363.95 and 24,752.33 is: 37,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,912.21 : 121,363.95 = 24,752.33 : x
  2. Step 2: Convert to fraction form
    80,912.21/121,363.95 = 24,752.33/x
  3. Step 3: Cross multiply
    80,912.21x = 121,363.95 × 24,752.33
  4. Step 4: Simplify right side
    80,912.21x = 3,004,040,540.50
  5. Step 5: Solve for x
    x = 3,004,040,540.50/80,912.21
  6. Step 6: Final answer
    x = 37,127.16

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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.