Home / 47,161.54-70,734.62-13,873.82

Finding the Fourth Proportional to 47,161.54, 70,734.62 and 13,873.82

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Solution

The fourth proportional to 47,161.54, 70,734.62 and 13,873.82 is: 20,808.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,161.54 : 70,734.62 = 13,873.82 : x
  2. Step 2: Convert to fraction form
    47,161.54/70,734.62 = 13,873.82/x
  3. Step 3: Cross multiply
    47,161.54x = 70,734.62 × 13,873.82
  4. Step 4: Simplify right side
    47,161.54x = 981,359,174.13
  5. Step 5: Solve for x
    x = 981,359,174.13/47,161.54
  6. Step 6: Final answer
    x = 20,808.46

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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.