Home / 47,392.92-71,087.22-11,854.62

Finding the Fourth Proportional to 47,392.92, 71,087.22 and 11,854.62

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Solution

The fourth proportional to 47,392.92, 71,087.22 and 11,854.62 is: 17,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,392.92 : 71,087.22 = 11,854.62 : x
  2. Step 2: Convert to fraction form
    47,392.92/71,087.22 = 11,854.62/x
  3. Step 3: Cross multiply
    47,392.92x = 71,087.22 × 11,854.62
  4. Step 4: Simplify right side
    47,392.92x = 842,711,979.96
  5. Step 5: Solve for x
    x = 842,711,979.96/47,392.92
  6. Step 6: Final answer
    x = 17,781.39

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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.