Home / 47,131.08-70,694.38-13,849.80

Finding the Fourth Proportional to 47,131.08, 70,694.38 and 13,849.80

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Solution

The fourth proportional to 47,131.08, 70,694.38 and 13,849.80 is: 20,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,131.08 : 70,694.38 = 13,849.80 : x
  2. Step 2: Convert to fraction form
    47,131.08/70,694.38 = 13,849.80/x
  3. Step 3: Cross multiply
    47,131.08x = 70,694.38 × 13,849.80
  4. Step 4: Simplify right side
    47,131.08x = 979,103,024.12
  5. Step 5: Solve for x
    x = 979,103,024.12/47,131.08
  6. Step 6: Final answer
    x = 20,774.04

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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.