Home / 75,067.31-103,630.36-43,230.06

Finding the Fourth Proportional to 75,067.31, 103,630.36 and 43,230.06

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Solution

The fourth proportional to 75,067.31, 103,630.36 and 43,230.06 is: 59,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,067.31 : 103,630.36 = 43,230.06 : x
  2. Step 2: Convert to fraction form
    75,067.31/103,630.36 = 43,230.06/x
  3. Step 3: Cross multiply
    75,067.31x = 103,630.36 × 43,230.06
  4. Step 4: Simplify right side
    75,067.31x = 4,479,946,680.62
  5. Step 5: Solve for x
    x = 4,479,946,680.62/75,067.31
  6. Step 6: Final answer
    x = 59,679.06

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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.