Home / 85,982.58-129,011.94-33,396.03

Finding the Fourth Proportional to 85,982.58, 129,011.94 and 33,396.03

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Solution

The fourth proportional to 85,982.58, 129,011.94 and 33,396.03 is: 50,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,982.58 : 129,011.94 = 33,396.03 : x
  2. Step 2: Convert to fraction form
    85,982.58/129,011.94 = 33,396.03/x
  3. Step 3: Cross multiply
    85,982.58x = 129,011.94 × 33,396.03
  4. Step 4: Simplify right side
    85,982.58x = 4,308,486,618.60
  5. Step 5: Solve for x
    x = 4,308,486,618.60/85,982.58
  6. Step 6: Final answer
    x = 50,108.83

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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.