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Finding the Fourth Proportional to 75,067.80, 103,583.35 and 44,846.72

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Solution

The fourth proportional to 75,067.80, 103,583.35 and 44,846.72 is: 61,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,067.80 : 103,583.35 = 44,846.72 : x
  2. Step 2: Convert to fraction form
    75,067.80/103,583.35 = 44,846.72/x
  3. Step 3: Cross multiply
    75,067.80x = 103,583.35 × 44,846.72
  4. Step 4: Simplify right side
    75,067.80x = 4,645,373,168.43
  5. Step 5: Solve for x
    x = 4,645,373,168.43/75,067.80
  6. Step 6: Final answer
    x = 61,882.37

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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.