Home / 81,535.30-122,289.84-22,357.24

Finding the Fourth Proportional to 81,535.30, 122,289.84 and 22,357.24

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Solution

The fourth proportional to 81,535.30, 122,289.84 and 22,357.24 is: 33,532.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,535.30 : 122,289.84 = 22,357.24 : x
  2. Step 2: Convert to fraction form
    81,535.30/122,289.84 = 22,357.24/x
  3. Step 3: Cross multiply
    81,535.30x = 122,289.84 × 22,357.24
  4. Step 4: Simplify right side
    81,535.30x = 2,734,063,302.44
  5. Step 5: Solve for x
    x = 2,734,063,302.44/81,535.30
  6. Step 6: Final answer
    x = 33,532.27

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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.