Home / 123,922.37-171,013.92-67,333.75

Finding the Fourth Proportional to 123,922.37, 171,013.92 and 67,333.75

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Solution

The fourth proportional to 123,922.37, 171,013.92 and 67,333.75 is: 92,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,922.37 : 171,013.92 = 67,333.75 : x
  2. Step 2: Convert to fraction form
    123,922.37/171,013.92 = 67,333.75/x
  3. Step 3: Cross multiply
    123,922.37x = 171,013.92 × 67,333.75
  4. Step 4: Simplify right side
    123,922.37x = 11,515,007,855.76
  5. Step 5: Solve for x
    x = 11,515,007,855.76/123,922.37
  6. Step 6: Final answer
    x = 92,921.14

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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.