Home / 71,272.26-106,944.03-31,857.66

Finding the Fourth Proportional to 71,272.26, 106,944.03 and 31,857.66

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Solution

The fourth proportional to 71,272.26, 106,944.03 and 31,857.66 is: 47,802.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,272.26 : 106,944.03 = 31,857.66 : x
  2. Step 2: Convert to fraction form
    71,272.26/106,944.03 = 31,857.66/x
  3. Step 3: Cross multiply
    71,272.26x = 106,944.03 × 31,857.66
  4. Step 4: Simplify right side
    71,272.26x = 3,406,986,546.77
  5. Step 5: Solve for x
    x = 3,406,986,546.77/71,272.26
  6. Step 6: Final answer
    x = 47,802.42

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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.