Home / 67,226.02-100,835.38-20,475.25

Finding the Fourth Proportional to 67,226.02, 100,835.38 and 20,475.25

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Solution

The fourth proportional to 67,226.02, 100,835.38 and 20,475.25 is: 30,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,226.02 : 100,835.38 = 20,475.25 : x
  2. Step 2: Convert to fraction form
    67,226.02/100,835.38 = 20,475.25/x
  3. Step 3: Cross multiply
    67,226.02x = 100,835.38 × 20,475.25
  4. Step 4: Simplify right side
    67,226.02x = 2,064,629,614.35
  5. Step 5: Solve for x
    x = 2,064,629,614.35/67,226.02
  6. Step 6: Final answer
    x = 30,711.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.