Home / 117,067.10-161,553.73-63,353.23

Finding the Fourth Proportional to 117,067.10, 161,553.73 and 63,353.23

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Solution

The fourth proportional to 117,067.10, 161,553.73 and 63,353.23 is: 87,428.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,067.10 : 161,553.73 = 63,353.23 : x
  2. Step 2: Convert to fraction form
    117,067.10/161,553.73 = 63,353.23/x
  3. Step 3: Cross multiply
    117,067.10x = 161,553.73 × 63,353.23
  4. Step 4: Simplify right side
    117,067.10x = 10,234,949,806.28
  5. Step 5: Solve for x
    x = 10,234,949,806.28/117,067.10
  6. Step 6: Final answer
    x = 87,428.07

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1.5x scale

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.