Home / 76,840.08-115,260.24-50,661.76

Finding the Fourth Proportional to 76,840.08, 115,260.24 and 50,661.76

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Solution

The fourth proportional to 76,840.08, 115,260.24 and 50,661.76 is: 75,992.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,840.08 : 115,260.24 = 50,661.76 : x
  2. Step 2: Convert to fraction form
    76,840.08/115,260.24 = 50,661.76/x
  3. Step 3: Cross multiply
    76,840.08x = 115,260.24 × 50,661.76
  4. Step 4: Simplify right side
    76,840.08x = 5,839,286,616.42
  5. Step 5: Solve for x
    x = 5,839,286,616.42/76,840.08
  6. Step 6: Final answer
    x = 75,992.72

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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.