Home / 106,007.82-158,972.85-31,108.74

Finding the Fourth Proportional to 106,007.82, 158,972.85 and 31,108.74

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Solution

The fourth proportional to 106,007.82, 158,972.85 and 31,108.74 is: 46,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,007.82 : 158,972.85 = 31,108.74 : x
  2. Step 2: Convert to fraction form
    106,007.82/158,972.85 = 31,108.74/x
  3. Step 3: Cross multiply
    106,007.82x = 158,972.85 × 31,108.74
  4. Step 4: Simplify right side
    106,007.82x = 4,945,445,057.71
  5. Step 5: Solve for x
    x = 4,945,445,057.71/106,007.82
  6. Step 6: Final answer
    x = 46,651.70

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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.