Home / 81,535.68-122,290.40-22,357.62

Finding the Fourth Proportional to 81,535.68, 122,290.40 and 22,357.62

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Solution

The fourth proportional to 81,535.68, 122,290.40 and 22,357.62 is: 33,532.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,535.68 : 122,290.40 = 22,357.62 : x
  2. Step 2: Convert to fraction form
    81,535.68/122,290.40 = 22,357.62/x
  3. Step 3: Cross multiply
    81,535.68x = 122,290.40 × 22,357.62
  4. Step 4: Simplify right side
    81,535.68x = 2,734,122,292.85
  5. Step 5: Solve for x
    x = 2,734,122,292.85/81,535.68
  6. Step 6: Final answer
    x = 33,532.83

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1.5x scale

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.