Home / 117,571.29-162,249.85-63,857.22

Finding the Fourth Proportional to 117,571.29, 162,249.85 and 63,857.22

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Solution

The fourth proportional to 117,571.29, 162,249.85 and 63,857.22 is: 88,123.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,571.29 : 162,249.85 = 63,857.22 : x
  2. Step 2: Convert to fraction form
    117,571.29/162,249.85 = 63,857.22/x
  3. Step 3: Cross multiply
    117,571.29x = 162,249.85 × 63,857.22
  4. Step 4: Simplify right side
    117,571.29x = 10,360,824,366.42
  5. Step 5: Solve for x
    x = 10,360,824,366.42/117,571.29
  6. Step 6: Final answer
    x = 88,123.76

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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.