Home / 47,421.75-71,144.22-14,141.69

Finding the Fourth Proportional to 47,421.75, 71,144.22 and 14,141.69

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Solution

The fourth proportional to 47,421.75, 71,144.22 and 14,141.69 is: 21,215.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,421.75 : 71,144.22 = 14,141.69 : x
  2. Step 2: Convert to fraction form
    47,421.75/71,144.22 = 14,141.69/x
  3. Step 3: Cross multiply
    47,421.75x = 71,144.22 × 14,141.69
  4. Step 4: Simplify right side
    47,421.75x = 1,006,099,468.63
  5. Step 5: Solve for x
    x = 1,006,099,468.63/47,421.75
  6. Step 6: Final answer
    x = 21,215.99

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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.