Home / 47,161.79-70,734.99-13,874.07

Finding the Fourth Proportional to 47,161.79, 70,734.99 and 13,874.07

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Solution

The fourth proportional to 47,161.79, 70,734.99 and 13,874.07 is: 20,808.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,161.79 : 70,734.99 = 13,874.07 : x
  2. Step 2: Convert to fraction form
    47,161.79/70,734.99 = 13,874.07/x
  3. Step 3: Cross multiply
    47,161.79x = 70,734.99 × 13,874.07
  4. Step 4: Simplify right side
    47,161.79x = 981,381,885.43
  5. Step 5: Solve for x
    x = 981,381,885.43/47,161.79
  6. Step 6: Final answer
    x = 20,808.84

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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.