Home / 106,467.31-159,695.49-31,588.07

Finding the Fourth Proportional to 106,467.31, 159,695.49 and 31,588.07

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Solution

The fourth proportional to 106,467.31, 159,695.49 and 31,588.07 is: 47,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,467.31 : 159,695.49 = 31,588.07 : x
  2. Step 2: Convert to fraction form
    106,467.31/159,695.49 = 31,588.07/x
  3. Step 3: Cross multiply
    106,467.31x = 159,695.49 × 31,588.07
  4. Step 4: Simplify right side
    106,467.31x = 5,044,472,316.80
  5. Step 5: Solve for x
    x = 5,044,472,316.80/106,467.31
  6. Step 6: Final answer
    x = 47,380.48

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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.