Home / 117,705.12-176,635.44-55,380.48

Finding the Fourth Proportional to 117,705.12, 176,635.44 and 55,380.48

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Solution

The fourth proportional to 117,705.12, 176,635.44 and 55,380.48 is: 83,107.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,705.12 : 176,635.44 = 55,380.48 : x
  2. Step 2: Convert to fraction form
    117,705.12/176,635.44 = 55,380.48/x
  3. Step 3: Cross multiply
    117,705.12x = 176,635.44 × 55,380.48
  4. Step 4: Simplify right side
    117,705.12x = 9,782,155,452.21
  5. Step 5: Solve for x
    x = 9,782,155,452.21/117,705.12
  6. Step 6: Final answer
    x = 83,107.31

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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.