Home / 47,086.92-70,633.38-13,806.36

Finding the Fourth Proportional to 47,086.92, 70,633.38 and 13,806.36

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Solution

The fourth proportional to 47,086.92, 70,633.38 and 13,806.36 is: 20,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,086.92 : 70,633.38 = 13,806.36 : x
  2. Step 2: Convert to fraction form
    47,086.92/70,633.38 = 13,806.36/x
  3. Step 3: Cross multiply
    47,086.92x = 70,633.38 × 13,806.36
  4. Step 4: Simplify right side
    47,086.92x = 975,189,872.30
  5. Step 5: Solve for x
    x = 975,189,872.30/47,086.92
  6. Step 6: Final answer
    x = 20,710.42

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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.