Home / 77,468.20-106,885.38-43,933.48

Finding the Fourth Proportional to 77,468.20, 106,885.38 and 43,933.48

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Solution

The fourth proportional to 77,468.20, 106,885.38 and 43,933.48 is: 60,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,468.20 : 106,885.38 = 43,933.48 : x
  2. Step 2: Convert to fraction form
    77,468.20/106,885.38 = 43,933.48/x
  3. Step 3: Cross multiply
    77,468.20x = 106,885.38 × 43,933.48
  4. Step 4: Simplify right side
    77,468.20x = 4,695,846,704.52
  5. Step 5: Solve for x
    x = 4,695,846,704.52/77,468.20
  6. Step 6: Final answer
    x = 60,616.44

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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.