Home / 117,086.05-161,579.01-63,371.53

Finding the Fourth Proportional to 117,086.05, 161,579.01 and 63,371.53

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Solution

The fourth proportional to 117,086.05, 161,579.01 and 63,371.53 is: 87,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,086.05 : 161,579.01 = 63,371.53 : x
  2. Step 2: Convert to fraction form
    117,086.05/161,579.01 = 63,371.53/x
  3. Step 3: Cross multiply
    117,086.05x = 161,579.01 × 63,371.53
  4. Step 4: Simplify right side
    117,086.05x = 10,239,509,079.59
  5. Step 5: Solve for x
    x = 10,239,509,079.59/117,086.05
  6. Step 6: Final answer
    x = 87,452.85

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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.