Home / 123,922.94-171,014.70-67,334.31

Finding the Fourth Proportional to 123,922.94, 171,014.70 and 67,334.31

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Solution

The fourth proportional to 123,922.94, 171,014.70 and 67,334.31 is: 92,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,922.94 : 171,014.70 = 67,334.31 : x
  2. Step 2: Convert to fraction form
    123,922.94/171,014.70 = 67,334.31/x
  3. Step 3: Cross multiply
    123,922.94x = 171,014.70 × 67,334.31
  4. Step 4: Simplify right side
    123,922.94x = 11,515,156,824.36
  5. Step 5: Solve for x
    x = 11,515,156,824.36/123,922.94
  6. Step 6: Final answer
    x = 92,921.92

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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.