Home / 80,926.08-121,388.94-28,350.60

Finding the Fourth Proportional to 80,926.08, 121,388.94 and 28,350.60

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Solution

The fourth proportional to 80,926.08, 121,388.94 and 28,350.60 is: 42,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,926.08 : 121,388.94 = 28,350.60 : x
  2. Step 2: Convert to fraction form
    80,926.08/121,388.94 = 28,350.60/x
  3. Step 3: Cross multiply
    80,926.08x = 121,388.94 × 28,350.60
  4. Step 4: Simplify right side
    80,926.08x = 3,441,449,282.36
  5. Step 5: Solve for x
    x = 3,441,449,282.36/80,926.08
  6. Step 6: Final answer
    x = 42,525.84

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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.