Home / 106,333.26-159,531.07-31,455.37

Finding the Fourth Proportional to 106,333.26, 159,531.07 and 31,455.37

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Solution

The fourth proportional to 106,333.26, 159,531.07 and 31,455.37 is: 47,192.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,333.26 : 159,531.07 = 31,455.37 : x
  2. Step 2: Convert to fraction form
    106,333.26/159,531.07 = 31,455.37/x
  3. Step 3: Cross multiply
    106,333.26x = 159,531.07 × 31,455.37
  4. Step 4: Simplify right side
    106,333.26x = 5,018,108,833.35
  5. Step 5: Solve for x
    x = 5,018,108,833.35/106,333.26
  6. Step 6: Final answer
    x = 47,192.28

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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.