Home / 105,949.07-158,930.36-31,067.81

Finding the Fourth Proportional to 105,949.07, 158,930.36 and 31,067.81

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Solution

The fourth proportional to 105,949.07, 158,930.36 and 31,067.81 is: 46,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,949.07 : 158,930.36 = 31,067.81 : x
  2. Step 2: Convert to fraction form
    105,949.07/158,930.36 = 31,067.81/x
  3. Step 3: Cross multiply
    105,949.07x = 158,930.36 × 31,067.81
  4. Step 4: Simplify right side
    105,949.07x = 4,937,618,227.71
  5. Step 5: Solve for x
    x = 4,937,618,227.71/105,949.07
  6. Step 6: Final answer
    x = 46,603.70

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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.