Home / 106,031.54-159,047.99-31,151.38

Finding the Fourth Proportional to 106,031.54, 159,047.99 and 31,151.38

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Solution

The fourth proportional to 106,031.54, 159,047.99 and 31,151.38 is: 46,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,031.54 : 159,047.99 = 31,151.38 : x
  2. Step 2: Convert to fraction form
    106,031.54/159,047.99 = 31,151.38/x
  3. Step 3: Cross multiply
    106,031.54x = 159,047.99 × 31,151.38
  4. Step 4: Simplify right side
    106,031.54x = 4,954,564,374.73
  5. Step 5: Solve for x
    x = 4,954,564,374.73/106,031.54
  6. Step 6: Final answer
    x = 46,727.27

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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.