Home / 81,582.24-122,359.50-22,404

Finding the Fourth Proportional to 81,582.24, 122,359.50 and 22,404

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Solution

The fourth proportional to 81,582.24, 122,359.50 and 22,404 is: 33,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,582.24 : 122,359.50 = 22,404 : x
  2. Step 2: Convert to fraction form
    81,582.24/122,359.50 = 22,404/x
  3. Step 3: Cross multiply
    81,582.24x = 122,359.50 × 22,404
  4. Step 4: Simplify right side
    81,582.24x = 2,741,342,238
  5. Step 5: Solve for x
    x = 2,741,342,238/81,582.24
  6. Step 6: Final answer
    x = 33,602.19

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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.