Home / 47,860.20-71,790.30-16,695.45

Finding the Fourth Proportional to 47,860.20, 71,790.30 and 16,695.45

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Solution

The fourth proportional to 47,860.20, 71,790.30 and 16,695.45 is: 25,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,860.20 : 71,790.30 = 16,695.45 : x
  2. Step 2: Convert to fraction form
    47,860.20/71,790.30 = 16,695.45/x
  3. Step 3: Cross multiply
    47,860.20x = 71,790.30 × 16,695.45
  4. Step 4: Simplify right side
    47,860.20x = 1,198,571,364.14
  5. Step 5: Solve for x
    x = 1,198,571,364.14/47,860.20
  6. Step 6: Final answer
    x = 25,043.18

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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.