Home / 53,170.39-73,374.55-30,200.05

Finding the Fourth Proportional to 53,170.39, 73,374.55 and 30,200.05

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Solution

The fourth proportional to 53,170.39, 73,374.55 and 30,200.05 is: 41,675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,170.39 : 73,374.55 = 30,200.05 : x
  2. Step 2: Convert to fraction form
    53,170.39/73,374.55 = 30,200.05/x
  3. Step 3: Cross multiply
    53,170.39x = 73,374.55 × 30,200.05
  4. Step 4: Simplify right side
    53,170.39x = 2,215,915,078.73
  5. Step 5: Solve for x
    x = 2,215,915,078.73/53,170.39
  6. Step 6: Final answer
    x = 41,675.73

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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.