Home / 116,982.36-161,431.38-66,671.64

Finding the Fourth Proportional to 116,982.36, 161,431.38 and 66,671.64

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Solution

The fourth proportional to 116,982.36, 161,431.38 and 66,671.64 is: 92,004.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,982.36 : 161,431.38 = 66,671.64 : x
  2. Step 2: Convert to fraction form
    116,982.36/161,431.38 = 66,671.64/x
  3. Step 3: Cross multiply
    116,982.36x = 161,431.38 × 66,671.64
  4. Step 4: Simplify right side
    116,982.36x = 10,762,894,852.06
  5. Step 5: Solve for x
    x = 10,762,894,852.06/116,982.36
  6. Step 6: Final answer
    x = 92,004.43

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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.