Home / 76,955.46-106,163.83-45,110.91

Finding the Fourth Proportional to 76,955.46, 106,163.83 and 45,110.91

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Solution

The fourth proportional to 76,955.46, 106,163.83 and 45,110.91 is: 62,232.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,955.46 : 106,163.83 = 45,110.91 : x
  2. Step 2: Convert to fraction form
    76,955.46/106,163.83 = 45,110.91/x
  3. Step 3: Cross multiply
    76,955.46x = 106,163.83 × 45,110.91
  4. Step 4: Simplify right side
    76,955.46x = 4,789,146,980.39
  5. Step 5: Solve for x
    x = 4,789,146,980.39/76,955.46
  6. Step 6: Final answer
    x = 62,232.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.