Home / 80,964.50-121,450.40-24,800.52

Finding the Fourth Proportional to 80,964.50, 121,450.40 and 24,800.52

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Solution

The fourth proportional to 80,964.50, 121,450.40 and 24,800.52 is: 37,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,964.50 : 121,450.40 = 24,800.52 : x
  2. Step 2: Convert to fraction form
    80,964.50/121,450.40 = 24,800.52/x
  3. Step 3: Cross multiply
    80,964.50x = 121,450.40 × 24,800.52
  4. Step 4: Simplify right side
    80,964.50x = 3,012,033,136.21
  5. Step 5: Solve for x
    x = 3,012,033,136.21/80,964.50
  6. Step 6: Final answer
    x = 37,201.90

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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.