Home / 117,767.40-176,651.10-47,610.60

Finding the Fourth Proportional to 117,767.40, 176,651.10 and 47,610.60

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Solution

The fourth proportional to 117,767.40, 176,651.10 and 47,610.60 is: 71,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,767.40 : 176,651.10 = 47,610.60 : x
  2. Step 2: Convert to fraction form
    117,767.40/176,651.10 = 47,610.60/x
  3. Step 3: Cross multiply
    117,767.40x = 176,651.10 × 47,610.60
  4. Step 4: Simplify right side
    117,767.40x = 8,410,464,861.66
  5. Step 5: Solve for x
    x = 8,410,464,861.66/117,767.40
  6. Step 6: Final answer
    x = 71,415.90

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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.