Home / 109,673.20-164,377.50-50,427.64

Finding the Fourth Proportional to 109,673.20, 164,377.50 and 50,427.64

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Solution

The fourth proportional to 109,673.20, 164,377.50 and 50,427.64 is: 75,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,673.20 : 164,377.50 = 50,427.64 : x
  2. Step 2: Convert to fraction form
    109,673.20/164,377.50 = 50,427.64/x
  3. Step 3: Cross multiply
    109,673.20x = 164,377.50 × 50,427.64
  4. Step 4: Simplify right side
    109,673.20x = 8,289,169,394.10
  5. Step 5: Solve for x
    x = 8,289,169,394.10/109,673.20
  6. Step 6: Final answer
    x = 75,580.63

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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.