Home / 123,922.46-171,014.56-67,334.78

Finding the Fourth Proportional to 123,922.46, 171,014.56 and 67,334.78

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Solution

The fourth proportional to 123,922.46, 171,014.56 and 67,334.78 is: 92,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,922.46 : 171,014.56 = 67,334.78 : x
  2. Step 2: Convert to fraction form
    123,922.46/171,014.56 = 67,334.78/x
  3. Step 3: Cross multiply
    123,922.46x = 171,014.56 × 67,334.78
  4. Step 4: Simplify right side
    123,922.46x = 11,515,227,774.40
  5. Step 5: Solve for x
    x = 11,515,227,774.40/123,922.46
  6. Step 6: Final answer
    x = 92,922.85

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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.