Home / 76,103.88-114,195.20-55,216.32

Finding the Fourth Proportional to 76,103.88, 114,195.20 and 55,216.32

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Solution

The fourth proportional to 76,103.88, 114,195.20 and 55,216.32 is: 82,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,103.88 : 114,195.20 = 55,216.32 : x
  2. Step 2: Convert to fraction form
    76,103.88/114,195.20 = 55,216.32/x
  3. Step 3: Cross multiply
    76,103.88x = 114,195.20 × 55,216.32
  4. Step 4: Simplify right side
    76,103.88x = 6,305,438,429.58
  5. Step 5: Solve for x
    x = 6,305,438,429.58/76,103.88
  6. Step 6: Final answer
    x = 82,853.05

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1.5x scale

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.