Home / 90,949.68-125,493.90-50,662.44

Finding the Fourth Proportional to 90,949.68, 125,493.90 and 50,662.44

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Solution

The fourth proportional to 90,949.68, 125,493.90 and 50,662.44 is: 69,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,949.68 : 125,493.90 = 50,662.44 : x
  2. Step 2: Convert to fraction form
    90,949.68/125,493.90 = 50,662.44/x
  3. Step 3: Cross multiply
    90,949.68x = 125,493.90 × 50,662.44
  4. Step 4: Simplify right side
    90,949.68x = 6,357,827,179.12
  5. Step 5: Solve for x
    x = 6,357,827,179.12/90,949.68
  6. Step 6: Final answer
    x = 69,904.89

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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.