Home / 109,162.11-150,635.66-61,406.27

Finding the Fourth Proportional to 109,162.11, 150,635.66 and 61,406.27

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Solution

The fourth proportional to 109,162.11, 150,635.66 and 61,406.27 is: 84,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,162.11 : 150,635.66 = 61,406.27 : x
  2. Step 2: Convert to fraction form
    109,162.11/150,635.66 = 61,406.27/x
  3. Step 3: Cross multiply
    109,162.11x = 150,635.66 × 61,406.27
  4. Step 4: Simplify right side
    109,162.11x = 9,249,972,949.38
  5. Step 5: Solve for x
    x = 9,249,972,949.38/109,162.11
  6. Step 6: Final answer
    x = 84,736.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.