Home / 76,119.77-114,212.46-31,755.26

Finding the Fourth Proportional to 76,119.77, 114,212.46 and 31,755.26

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Solution

The fourth proportional to 76,119.77, 114,212.46 and 31,755.26 is: 47,646.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,119.77 : 114,212.46 = 31,755.26 : x
  2. Step 2: Convert to fraction form
    76,119.77/114,212.46 = 31,755.26/x
  3. Step 3: Cross multiply
    76,119.77x = 114,212.46 × 31,755.26
  4. Step 4: Simplify right side
    76,119.77x = 3,626,845,791.48
  5. Step 5: Solve for x
    x = 3,626,845,791.48/76,119.77
  6. Step 6: Final answer
    x = 47,646.57

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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.