Home / 123,764.43-170,790.35-67,174.59

Finding the Fourth Proportional to 123,764.43, 170,790.35 and 67,174.59

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Solution

The fourth proportional to 123,764.43, 170,790.35 and 67,174.59 is: 92,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,764.43 : 170,790.35 = 67,174.59 : x
  2. Step 2: Convert to fraction form
    123,764.43/170,790.35 = 67,174.59/x
  3. Step 3: Cross multiply
    123,764.43x = 170,790.35 × 67,174.59
  4. Step 4: Simplify right side
    123,764.43x = 11,472,771,401.33
  5. Step 5: Solve for x
    x = 11,472,771,401.33/123,764.43
  6. Step 6: Final answer
    x = 92,698.45

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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.