Home / 106,037.82-159,017.76-31,138.74

Finding the Fourth Proportional to 106,037.82, 159,017.76 and 31,138.74

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Solution

The fourth proportional to 106,037.82, 159,017.76 and 31,138.74 is: 46,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,037.82 : 159,017.76 = 31,138.74 : x
  2. Step 2: Convert to fraction form
    106,037.82/159,017.76 = 31,138.74/x
  3. Step 3: Cross multiply
    106,037.82x = 159,017.76 × 31,138.74
  4. Step 4: Simplify right side
    106,037.82x = 4,951,612,684.02
  5. Step 5: Solve for x
    x = 4,951,612,684.02/106,037.82
  6. Step 6: Final answer
    x = 46,696.67

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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.