Home / 49,405.39-68,133.38-45,735.78

Finding the Fourth Proportional to 49,405.39, 68,133.38 and 45,735.78

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Solution

The fourth proportional to 49,405.39, 68,133.38 and 45,735.78 is: 63,072.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,405.39 : 68,133.38 = 45,735.78 : x
  2. Step 2: Convert to fraction form
    49,405.39/68,133.38 = 45,735.78/x
  3. Step 3: Cross multiply
    49,405.39x = 68,133.38 × 45,735.78
  4. Step 4: Simplify right side
    49,405.39x = 3,116,133,049.66
  5. Step 5: Solve for x
    x = 3,116,133,049.66/49,405.39
  6. Step 6: Final answer
    x = 63,072.74

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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.