Home / 49,495.62-68,313.42-38,719.02

Finding the Fourth Proportional to 49,495.62, 68,313.42 and 38,719.02

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Solution

The fourth proportional to 49,495.62, 68,313.42 and 38,719.02 is: 53,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,495.62 : 68,313.42 = 38,719.02 : x
  2. Step 2: Convert to fraction form
    49,495.62/68,313.42 = 38,719.02/x
  3. Step 3: Cross multiply
    49,495.62x = 68,313.42 × 38,719.02
  4. Step 4: Simplify right side
    49,495.62x = 2,645,028,675.25
  5. Step 5: Solve for x
    x = 2,645,028,675.25/49,495.62
  6. Step 6: Final answer
    x = 53,439.65

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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.