Home / 116,791.36-161,172.03-63,076.39

Finding the Fourth Proportional to 116,791.36, 161,172.03 and 63,076.39

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Solution

The fourth proportional to 116,791.36, 161,172.03 and 63,076.39 is: 87,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,791.36 : 161,172.03 = 63,076.39 : x
  2. Step 2: Convert to fraction form
    116,791.36/161,172.03 = 63,076.39/x
  3. Step 3: Cross multiply
    116,791.36x = 161,172.03 × 63,076.39
  4. Step 4: Simplify right side
    116,791.36x = 10,166,149,821.37
  5. Step 5: Solve for x
    x = 10,166,149,821.37/116,791.36
  6. Step 6: Final answer
    x = 87,045.39

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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.