Home / 80,926.99-121,390.49-34,180.27

Finding the Fourth Proportional to 80,926.99, 121,390.49 and 34,180.27

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Solution

The fourth proportional to 80,926.99, 121,390.49 and 34,180.27 is: 51,270.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,926.99 : 121,390.49 = 34,180.27 : x
  2. Step 2: Convert to fraction form
    80,926.99/121,390.49 = 34,180.27/x
  3. Step 3: Cross multiply
    80,926.99x = 121,390.49 × 34,180.27
  4. Step 4: Simplify right side
    80,926.99x = 4,149,159,723.63
  5. Step 5: Solve for x
    x = 4,149,159,723.63/80,926.99
  6. Step 6: Final answer
    x = 51,270.41

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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.