Home / 109,346.64-164,069.94-49,391.15

Finding the Fourth Proportional to 109,346.64, 164,069.94 and 49,391.15

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Solution

The fourth proportional to 109,346.64, 164,069.94 and 49,391.15 is: 74,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,346.64 : 164,069.94 = 49,391.15 : x
  2. Step 2: Convert to fraction form
    109,346.64/164,069.94 = 49,391.15/x
  3. Step 3: Cross multiply
    109,346.64x = 164,069.94 × 49,391.15
  4. Step 4: Simplify right side
    109,346.64x = 8,103,601,949.73
  5. Step 5: Solve for x
    x = 8,103,601,949.73/109,346.64
  6. Step 6: Final answer
    x = 74,109.29

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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.