Home / 49,688.46-68,512.68-39,609.06

Finding the Fourth Proportional to 49,688.46, 68,512.68 and 39,609.06

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Solution

The fourth proportional to 49,688.46, 68,512.68 and 39,609.06 is: 54,614.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,688.46 : 68,512.68 = 39,609.06 : x
  2. Step 2: Convert to fraction form
    49,688.46/68,512.68 = 39,609.06/x
  3. Step 3: Cross multiply
    49,688.46x = 68,512.68 × 39,609.06
  4. Step 4: Simplify right side
    49,688.46x = 2,713,722,852.88
  5. Step 5: Solve for x
    x = 2,713,722,852.88/49,688.46
  6. Step 6: Final answer
    x = 54,614.75

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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.