Home / 88,765.97-122,508.66-50,518.10

Finding the Fourth Proportional to 88,765.97, 122,508.66 and 50,518.10

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Solution

The fourth proportional to 88,765.97, 122,508.66 and 50,518.10 is: 69,721.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,765.97 : 122,508.66 = 50,518.10 : x
  2. Step 2: Convert to fraction form
    88,765.97/122,508.66 = 50,518.10/x
  3. Step 3: Cross multiply
    88,765.97x = 122,508.66 × 50,518.10
  4. Step 4: Simplify right side
    88,765.97x = 6,188,904,736.75
  5. Step 5: Solve for x
    x = 6,188,904,736.75/88,765.97
  6. Step 6: Final answer
    x = 69,721.59

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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.