Home / 71,194.12-98,249.96-38,930.64

Finding the Fourth Proportional to 71,194.12, 98,249.96 and 38,930.64

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Solution

The fourth proportional to 71,194.12, 98,249.96 and 38,930.64 is: 53,725.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,194.12 : 98,249.96 = 38,930.64 : x
  2. Step 2: Convert to fraction form
    71,194.12/98,249.96 = 38,930.64/x
  3. Step 3: Cross multiply
    71,194.12x = 98,249.96 × 38,930.64
  4. Step 4: Simplify right side
    71,194.12x = 3,824,933,822.77
  5. Step 5: Solve for x
    x = 3,824,933,822.77/71,194.12
  6. Step 6: Final answer
    x = 53,725.42

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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.