Home / 109,317.21-163,939.11-41,833.50

Finding the Fourth Proportional to 109,317.21, 163,939.11 and 41,833.50

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Solution

The fourth proportional to 109,317.21, 163,939.11 and 41,833.50 is: 62,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,317.21 : 163,939.11 = 41,833.50 : x
  2. Step 2: Convert to fraction form
    109,317.21/163,939.11 = 41,833.50/x
  3. Step 3: Cross multiply
    109,317.21x = 163,939.11 × 41,833.50
  4. Step 4: Simplify right side
    109,317.21x = 6,858,146,758.19
  5. Step 5: Solve for x
    x = 6,858,146,758.19/109,317.21
  6. Step 6: Final answer
    x = 62,736.20

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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.