Home / 76,760.52-114,993.06-47,091.72

Finding the Fourth Proportional to 76,760.52, 114,993.06 and 47,091.72

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Solution

The fourth proportional to 76,760.52, 114,993.06 and 47,091.72 is: 70,546.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,760.52 : 114,993.06 = 47,091.72 : x
  2. Step 2: Convert to fraction form
    76,760.52/114,993.06 = 47,091.72/x
  3. Step 3: Cross multiply
    76,760.52x = 114,993.06 × 47,091.72
  4. Step 4: Simplify right side
    76,760.52x = 5,415,220,983.46
  5. Step 5: Solve for x
    x = 5,415,220,983.46/76,760.52
  6. Step 6: Final answer
    x = 70,546.96

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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.