Home / 117,571.72-162,250.16-63,857.24

Finding the Fourth Proportional to 117,571.72, 162,250.16 and 63,857.24

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Solution

The fourth proportional to 117,571.72, 162,250.16 and 63,857.24 is: 88,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,571.72 : 162,250.16 = 63,857.24 : x
  2. Step 2: Convert to fraction form
    117,571.72/162,250.16 = 63,857.24/x
  3. Step 3: Cross multiply
    117,571.72x = 162,250.16 × 63,857.24
  4. Step 4: Simplify right side
    117,571.72x = 10,360,847,407.16
  5. Step 5: Solve for x
    x = 10,360,847,407.16/117,571.72
  6. Step 6: Final answer
    x = 88,123.64

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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.