Home / 106,145.51-159,163.39-31,255.95

Finding the Fourth Proportional to 106,145.51, 159,163.39 and 31,255.95

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Solution

The fourth proportional to 106,145.51, 159,163.39 and 31,255.95 is: 46,867.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,145.51 : 159,163.39 = 31,255.95 : x
  2. Step 2: Convert to fraction form
    106,145.51/159,163.39 = 31,255.95/x
  3. Step 3: Cross multiply
    106,145.51x = 159,163.39 × 31,255.95
  4. Step 4: Simplify right side
    106,145.51x = 4,974,802,803.39
  5. Step 5: Solve for x
    x = 4,974,802,803.39/106,145.51
  6. Step 6: Final answer
    x = 46,867.76

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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.