Home / 45,199.89-67,794.64-11,922.59

Finding the Fourth Proportional to 45,199.89, 67,794.64 and 11,922.59

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Solution

The fourth proportional to 45,199.89, 67,794.64 and 11,922.59 is: 17,882.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,199.89 : 67,794.64 = 11,922.59 : x
  2. Step 2: Convert to fraction form
    45,199.89/67,794.64 = 11,922.59/x
  3. Step 3: Cross multiply
    45,199.89x = 67,794.64 × 11,922.59
  4. Step 4: Simplify right side
    45,199.89x = 808,287,836.60
  5. Step 5: Solve for x
    x = 808,287,836.60/45,199.89
  6. Step 6: Final answer
    x = 17,882.52

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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.