Home / 67,442.58-101,183.19-20,702.34

Finding the Fourth Proportional to 67,442.58, 101,183.19 and 20,702.34

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Solution

The fourth proportional to 67,442.58, 101,183.19 and 20,702.34 is: 31,059.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,442.58 : 101,183.19 = 20,702.34 : x
  2. Step 2: Convert to fraction form
    67,442.58/101,183.19 = 20,702.34/x
  3. Step 3: Cross multiply
    67,442.58x = 101,183.19 × 20,702.34
  4. Step 4: Simplify right side
    67,442.58x = 2,094,728,801.66
  5. Step 5: Solve for x
    x = 2,094,728,801.66/67,442.58
  6. Step 6: Final answer
    x = 31,059.44

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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.