Home / 106,550.64-159,857.76-31,673.28

Finding the Fourth Proportional to 106,550.64, 159,857.76 and 31,673.28

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Solution

The fourth proportional to 106,550.64, 159,857.76 and 31,673.28 is: 47,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,550.64 : 159,857.76 = 31,673.28 : x
  2. Step 2: Convert to fraction form
    106,550.64/159,857.76 = 31,673.28/x
  3. Step 3: Cross multiply
    106,550.64x = 159,857.76 × 31,673.28
  4. Step 4: Simplify right side
    106,550.64x = 5,063,219,592.65
  5. Step 5: Solve for x
    x = 5,063,219,592.65/106,550.64
  6. Step 6: Final answer
    x = 47,519.37

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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.