Home / 109,702.62-164,429.49-50,415.75

Finding the Fourth Proportional to 109,702.62, 164,429.49 and 50,415.75

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Solution

The fourth proportional to 109,702.62, 164,429.49 and 50,415.75 is: 75,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,702.62 : 164,429.49 = 50,415.75 : x
  2. Step 2: Convert to fraction form
    109,702.62/164,429.49 = 50,415.75/x
  3. Step 3: Cross multiply
    109,702.62x = 164,429.49 × 50,415.75
  4. Step 4: Simplify right side
    109,702.62x = 8,289,836,060.47
  5. Step 5: Solve for x
    x = 8,289,836,060.47/109,702.62
  6. Step 6: Final answer
    x = 75,566.44

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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.