Home / 117,776.42-162,535.09-66,791.24

Finding the Fourth Proportional to 117,776.42, 162,535.09 and 66,791.24

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Solution

The fourth proportional to 117,776.42, 162,535.09 and 66,791.24 is: 92,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,776.42 : 162,535.09 = 66,791.24 : x
  2. Step 2: Convert to fraction form
    117,776.42/162,535.09 = 66,791.24/x
  3. Step 3: Cross multiply
    117,776.42x = 162,535.09 × 66,791.24
  4. Step 4: Simplify right side
    117,776.42x = 10,855,919,057.98
  5. Step 5: Solve for x
    x = 10,855,919,057.98/117,776.42
  6. Step 6: Final answer
    x = 92,173.96

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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.