Home / 81,584.04-122,352.54-22,421.64

Finding the Fourth Proportional to 81,584.04, 122,352.54 and 22,421.64

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Solution

The fourth proportional to 81,584.04, 122,352.54 and 22,421.64 is: 33,626.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,584.04 : 122,352.54 = 22,421.64 : x
  2. Step 2: Convert to fraction form
    81,584.04/122,352.54 = 22,421.64/x
  3. Step 3: Cross multiply
    81,584.04x = 122,352.54 × 22,421.64
  4. Step 4: Simplify right side
    81,584.04x = 2,743,344,604.97
  5. Step 5: Solve for x
    x = 2,743,344,604.97/81,584.04
  6. Step 6: Final answer
    x = 33,626.00

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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.