Home / 81,869.04-122,596.20-50,609.52

Finding the Fourth Proportional to 81,869.04, 122,596.20 and 50,609.52

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Solution

The fourth proportional to 81,869.04, 122,596.20 and 50,609.52 is: 75,786.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,869.04 : 122,596.20 = 50,609.52 : x
  2. Step 2: Convert to fraction form
    81,869.04/122,596.20 = 50,609.52/x
  3. Step 3: Cross multiply
    81,869.04x = 122,596.20 × 50,609.52
  4. Step 4: Simplify right side
    81,869.04x = 6,204,534,835.82
  5. Step 5: Solve for x
    x = 6,204,534,835.82/81,869.04
  6. Step 6: Final answer
    x = 75,786.09

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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.