Home / 76,380.64-114,616.32-41,319.52

Finding the Fourth Proportional to 76,380.64, 114,616.32 and 41,319.52

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Solution

The fourth proportional to 76,380.64, 114,616.32 and 41,319.52 is: 62,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,380.64 : 114,616.32 = 41,319.52 : x
  2. Step 2: Convert to fraction form
    76,380.64/114,616.32 = 41,319.52/x
  3. Step 3: Cross multiply
    76,380.64x = 114,616.32 × 41,319.52
  4. Step 4: Simplify right side
    76,380.64x = 4,735,891,326.57
  5. Step 5: Solve for x
    x = 4,735,891,326.57/76,380.64
  6. Step 6: Final answer
    x = 62,003.82

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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.