Home / 117,819.36-176,739.98-47,704.14

Finding the Fourth Proportional to 117,819.36, 176,739.98 and 47,704.14

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Solution

The fourth proportional to 117,819.36, 176,739.98 and 47,704.14 is: 71,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,819.36 : 176,739.98 = 47,704.14 : x
  2. Step 2: Convert to fraction form
    117,819.36/176,739.98 = 47,704.14/x
  3. Step 3: Cross multiply
    117,819.36x = 176,739.98 × 47,704.14
  4. Step 4: Simplify right side
    117,819.36x = 8,431,228,511.00
  5. Step 5: Solve for x
    x = 8,431,228,511.00/117,819.36
  6. Step 6: Final answer
    x = 71,560.64

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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.