Home / 49,378.76-68,166.98-38,604.64

Finding the Fourth Proportional to 49,378.76, 68,166.98 and 38,604.64

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Solution

The fourth proportional to 49,378.76, 68,166.98 and 38,604.64 is: 53,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,378.76 : 68,166.98 = 38,604.64 : x
  2. Step 2: Convert to fraction form
    49,378.76/68,166.98 = 38,604.64/x
  3. Step 3: Cross multiply
    49,378.76x = 68,166.98 × 38,604.64
  4. Step 4: Simplify right side
    49,378.76x = 2,631,561,722.79
  5. Step 5: Solve for x
    x = 2,631,561,722.79/49,378.76
  6. Step 6: Final answer
    x = 53,293.39

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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.