Home / 67,145.06-92,660.80-36,518.44

Finding the Fourth Proportional to 67,145.06, 92,660.80 and 36,518.44

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Solution

The fourth proportional to 67,145.06, 92,660.80 and 36,518.44 is: 50,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,145.06 : 92,660.80 = 36,518.44 : x
  2. Step 2: Convert to fraction form
    67,145.06/92,660.80 = 36,518.44/x
  3. Step 3: Cross multiply
    67,145.06x = 92,660.80 × 36,518.44
  4. Step 4: Simplify right side
    67,145.06x = 3,383,827,865.15
  5. Step 5: Solve for x
    x = 3,383,827,865.15/67,145.06
  6. Step 6: Final answer
    x = 50,395.78

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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.