Home / 80,922.24-121,383.36-34,175.52

Finding the Fourth Proportional to 80,922.24, 121,383.36 and 34,175.52

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Solution

The fourth proportional to 80,922.24, 121,383.36 and 34,175.52 is: 51,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,922.24 : 121,383.36 = 34,175.52 : x
  2. Step 2: Convert to fraction form
    80,922.24/121,383.36 = 34,175.52/x
  3. Step 3: Cross multiply
    80,922.24x = 121,383.36 × 34,175.52
  4. Step 4: Simplify right side
    80,922.24x = 4,148,339,447.35
  5. Step 5: Solve for x
    x = 4,148,339,447.35/80,922.24
  6. Step 6: Final answer
    x = 51,263.28

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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.