Home / 117,351.02-161,972.68-68,963.64

Finding the Fourth Proportional to 117,351.02, 161,972.68 and 68,963.64

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Solution

The fourth proportional to 117,351.02, 161,972.68 and 68,963.64 is: 95,186.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,351.02 : 161,972.68 = 68,963.64 : x
  2. Step 2: Convert to fraction form
    117,351.02/161,972.68 = 68,963.64/x
  3. Step 3: Cross multiply
    117,351.02x = 161,972.68 × 68,963.64
  4. Step 4: Simplify right side
    117,351.02x = 11,170,225,593.36
  5. Step 5: Solve for x
    x = 11,170,225,593.36/117,351.02
  6. Step 6: Final answer
    x = 95,186.44

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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.