Home / 123,944.23-171,044.12-67,355.60

Finding the Fourth Proportional to 123,944.23, 171,044.12 and 67,355.60

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Solution

The fourth proportional to 123,944.23, 171,044.12 and 67,355.60 is: 92,951.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,944.23 : 171,044.12 = 67,355.60 : x
  2. Step 2: Convert to fraction form
    123,944.23/171,044.12 = 67,355.60/x
  3. Step 3: Cross multiply
    123,944.23x = 171,044.12 × 67,355.60
  4. Step 4: Simplify right side
    123,944.23x = 11,520,778,992.29
  5. Step 5: Solve for x
    x = 11,520,778,992.29/123,944.23
  6. Step 6: Final answer
    x = 92,951.32

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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.