Home / 123,923.96-171,016.62-67,336.28

Finding the Fourth Proportional to 123,923.96, 171,016.62 and 67,336.28

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Solution

The fourth proportional to 123,923.96, 171,016.62 and 67,336.28 is: 92,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,923.96 : 171,016.62 = 67,336.28 : x
  2. Step 2: Convert to fraction form
    123,923.96/171,016.62 = 67,336.28/x
  3. Step 3: Cross multiply
    123,923.96x = 171,016.62 × 67,336.28
  4. Step 4: Simplify right side
    123,923.96x = 11,515,623,008.97
  5. Step 5: Solve for x
    x = 11,515,623,008.97/123,923.96
  6. Step 6: Final answer
    x = 92,924.91

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1.5x scale

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.