Home / 75,067.80-112,532.58-35,643.48

Finding the Fourth Proportional to 75,067.80, 112,532.58 and 35,643.48

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Solution

The fourth proportional to 75,067.80, 112,532.58 and 35,643.48 is: 53,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,067.80 : 112,532.58 = 35,643.48 : x
  2. Step 2: Convert to fraction form
    75,067.80/112,532.58 = 35,643.48/x
  3. Step 3: Cross multiply
    75,067.80x = 112,532.58 × 35,643.48
  4. Step 4: Simplify right side
    75,067.80x = 4,011,052,764.58
  5. Step 5: Solve for x
    x = 4,011,052,764.58/75,067.80
  6. Step 6: Final answer
    x = 53,432.40

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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.