Home / 90,949.18-125,493.21-50,661.94

Finding the Fourth Proportional to 90,949.18, 125,493.21 and 50,661.94

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Solution

The fourth proportional to 90,949.18, 125,493.21 and 50,661.94 is: 69,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,949.18 : 125,493.21 = 50,661.94 : x
  2. Step 2: Convert to fraction form
    90,949.18/125,493.21 = 50,661.94/x
  3. Step 3: Cross multiply
    90,949.18x = 125,493.21 × 50,661.94
  4. Step 4: Simplify right side
    90,949.18x = 6,357,729,475.43
  5. Step 5: Solve for x
    x = 6,357,729,475.43/90,949.18
  6. Step 6: Final answer
    x = 69,904.20

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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.