Home / 82,945.26-114,476.31-47,128.14

Finding the Fourth Proportional to 82,945.26, 114,476.31 and 47,128.14

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Solution

The fourth proportional to 82,945.26, 114,476.31 and 47,128.14 is: 65,043.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945.26 : 114,476.31 = 47,128.14 : x
  2. Step 2: Convert to fraction form
    82,945.26/114,476.31 = 47,128.14/x
  3. Step 3: Cross multiply
    82,945.26x = 114,476.31 × 47,128.14
  4. Step 4: Simplify right side
    82,945.26x = 5,395,055,564.36
  5. Step 5: Solve for x
    x = 5,395,055,564.36/82,945.26
  6. Step 6: Final answer
    x = 65,043.57

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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.