Home / 71,063.28-98,067.30-39,234.36

Finding the Fourth Proportional to 71,063.28, 98,067.30 and 39,234.36

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Solution

The fourth proportional to 71,063.28, 98,067.30 and 39,234.36 is: 54,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,063.28 : 98,067.30 = 39,234.36 : x
  2. Step 2: Convert to fraction form
    71,063.28/98,067.30 = 39,234.36/x
  3. Step 3: Cross multiply
    71,063.28x = 98,067.30 × 39,234.36
  4. Step 4: Simplify right side
    71,063.28x = 3,847,607,752.43
  5. Step 5: Solve for x
    x = 3,847,607,752.43/71,063.28
  6. Step 6: Final answer
    x = 54,143.40

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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.