Home / 80,926.74-121,390.11-34,180.02

Finding the Fourth Proportional to 80,926.74, 121,390.11 and 34,180.02

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Solution

The fourth proportional to 80,926.74, 121,390.11 and 34,180.02 is: 51,270.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,926.74 : 121,390.11 = 34,180.02 : x
  2. Step 2: Convert to fraction form
    80,926.74/121,390.11 = 34,180.02/x
  3. Step 3: Cross multiply
    80,926.74x = 121,390.11 × 34,180.02
  4. Step 4: Simplify right side
    80,926.74x = 4,149,116,387.60
  5. Step 5: Solve for x
    x = 4,149,116,387.60/80,926.74
  6. Step 6: Final answer
    x = 51,270.03

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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.