Home / 81,566.85-122,326.78-22,404.45

Finding the Fourth Proportional to 81,566.85, 122,326.78 and 22,404.45

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Solution

The fourth proportional to 81,566.85, 122,326.78 and 22,404.45 is: 33,600.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,566.85 : 122,326.78 = 22,404.45 : x
  2. Step 2: Convert to fraction form
    81,566.85/122,326.78 = 22,404.45/x
  3. Step 3: Cross multiply
    81,566.85x = 122,326.78 × 22,404.45
  4. Step 4: Simplify right side
    81,566.85x = 2,740,664,226.17
  5. Step 5: Solve for x
    x = 2,740,664,226.17/81,566.85
  6. Step 6: Final answer
    x = 33,600.22

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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.