Home / 117,225.72-161,753.22-69,471.36

Finding the Fourth Proportional to 117,225.72, 161,753.22 and 69,471.36

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Solution

The fourth proportional to 117,225.72, 161,753.22 and 69,471.36 is: 95,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,225.72 : 161,753.22 = 69,471.36 : x
  2. Step 2: Convert to fraction form
    117,225.72/161,753.22 = 69,471.36/x
  3. Step 3: Cross multiply
    117,225.72x = 161,753.22 × 69,471.36
  4. Step 4: Simplify right side
    117,225.72x = 11,237,216,177.78
  5. Step 5: Solve for x
    x = 11,237,216,177.78/117,225.72
  6. Step 6: Final answer
    x = 95,859.65

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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.