Home / 47,193.18-70,788.15-13,911.90

Finding the Fourth Proportional to 47,193.18, 70,788.15 and 13,911.90

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Solution

The fourth proportional to 47,193.18, 70,788.15 and 13,911.90 is: 20,867.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,193.18 : 70,788.15 = 13,911.90 : x
  2. Step 2: Convert to fraction form
    47,193.18/70,788.15 = 13,911.90/x
  3. Step 3: Cross multiply
    47,193.18x = 70,788.15 × 13,911.90
  4. Step 4: Simplify right side
    47,193.18x = 984,797,663.99
  5. Step 5: Solve for x
    x = 984,797,663.99/47,193.18
  6. Step 6: Final answer
    x = 20,867.37

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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.