Home / 106,026.66-159,040.68-31,146.50

Finding the Fourth Proportional to 106,026.66, 159,040.68 and 31,146.50

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Solution

The fourth proportional to 106,026.66, 159,040.68 and 31,146.50 is: 46,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,026.66 : 159,040.68 = 31,146.50 : x
  2. Step 2: Convert to fraction form
    106,026.66/159,040.68 = 31,146.50/x
  3. Step 3: Cross multiply
    106,026.66x = 159,040.68 × 31,146.50
  4. Step 4: Simplify right side
    106,026.66x = 4,953,560,539.62
  5. Step 5: Solve for x
    x = 4,953,560,539.62/106,026.66
  6. Step 6: Final answer
    x = 46,719.95

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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.