Home / 83,650.32-115,455.24-50,135.76

Finding the Fourth Proportional to 83,650.32, 115,455.24 and 50,135.76

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Solution

The fourth proportional to 83,650.32, 115,455.24 and 50,135.76 is: 69,198.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,650.32 : 115,455.24 = 50,135.76 : x
  2. Step 2: Convert to fraction form
    83,650.32/115,455.24 = 50,135.76/x
  3. Step 3: Cross multiply
    83,650.32x = 115,455.24 × 50,135.76
  4. Step 4: Simplify right side
    83,650.32x = 5,788,436,203.38
  5. Step 5: Solve for x
    x = 5,788,436,203.38/83,650.32
  6. Step 6: Final answer
    x = 69,198.02

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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.