Home / 84,781.29-117,010.37-50,791.23

Finding the Fourth Proportional to 84,781.29, 117,010.37 and 50,791.23

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Solution

The fourth proportional to 84,781.29, 117,010.37 and 50,791.23 is: 70,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,781.29 : 117,010.37 = 50,791.23 : x
  2. Step 2: Convert to fraction form
    84,781.29/117,010.37 = 50,791.23/x
  3. Step 3: Cross multiply
    84,781.29x = 117,010.37 × 50,791.23
  4. Step 4: Simplify right side
    84,781.29x = 5,943,100,615.06
  5. Step 5: Solve for x
    x = 5,943,100,615.06/84,781.29
  6. Step 6: Final answer
    x = 70,099.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.