Home / 84,583.20-126,883.44-29,172

Finding the Fourth Proportional to 84,583.20, 126,883.44 and 29,172

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Solution

The fourth proportional to 84,583.20, 126,883.44 and 29,172 is: 43,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,583.20 : 126,883.44 = 29,172 : x
  2. Step 2: Convert to fraction form
    84,583.20/126,883.44 = 29,172/x
  3. Step 3: Cross multiply
    84,583.20x = 126,883.44 × 29,172
  4. Step 4: Simplify right side
    84,583.20x = 3,701,443,711.68
  5. Step 5: Solve for x
    x = 3,701,443,711.68/84,583.20
  6. Step 6: Final answer
    x = 43,760.98

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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.