Home / 123,966.03-171,074.25-67,377.54

Finding the Fourth Proportional to 123,966.03, 171,074.25 and 67,377.54

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Solution

The fourth proportional to 123,966.03, 171,074.25 and 67,377.54 is: 92,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,966.03 : 171,074.25 = 67,377.54 : x
  2. Step 2: Convert to fraction form
    123,966.03/171,074.25 = 67,377.54/x
  3. Step 3: Cross multiply
    123,966.03x = 171,074.25 × 67,377.54
  4. Step 4: Simplify right side
    123,966.03x = 11,526,562,122.35
  5. Step 5: Solve for x
    x = 11,526,562,122.35/123,966.03
  6. Step 6: Final answer
    x = 92,981.62

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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.