Home / 80,856.09-121,307.54-33,462.44

Finding the Fourth Proportional to 80,856.09, 121,307.54 and 33,462.44

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Solution

The fourth proportional to 80,856.09, 121,307.54 and 33,462.44 is: 50,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,856.09 : 121,307.54 = 33,462.44 : x
  2. Step 2: Convert to fraction form
    80,856.09/121,307.54 = 33,462.44/x
  3. Step 3: Cross multiply
    80,856.09x = 121,307.54 × 33,462.44
  4. Step 4: Simplify right side
    80,856.09x = 4,059,245,504.95
  5. Step 5: Solve for x
    x = 4,059,245,504.95/80,856.09
  6. Step 6: Final answer
    x = 50,203.34

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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.