Home / 67,225.71-100,815.06-19,828.23

Finding the Fourth Proportional to 67,225.71, 100,815.06 and 19,828.23

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Solution

The fourth proportional to 67,225.71, 100,815.06 and 19,828.23 is: 29,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,225.71 : 100,815.06 = 19,828.23 : x
  2. Step 2: Convert to fraction form
    67,225.71/100,815.06 = 19,828.23/x
  3. Step 3: Cross multiply
    67,225.71x = 100,815.06 × 19,828.23
  4. Step 4: Simplify right side
    67,225.71x = 1,998,984,197.14
  5. Step 5: Solve for x
    x = 1,998,984,197.14/67,225.71
  6. Step 6: Final answer
    x = 29,735.41

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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.