Home / 49,688.87-68,577.26-28,186.38

Finding the Fourth Proportional to 49,688.87, 68,577.26 and 28,186.38

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Solution

The fourth proportional to 49,688.87, 68,577.26 and 28,186.38 is: 38,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,688.87 : 68,577.26 = 28,186.38 : x
  2. Step 2: Convert to fraction form
    49,688.87/68,577.26 = 28,186.38/x
  3. Step 3: Cross multiply
    49,688.87x = 68,577.26 × 28,186.38
  4. Step 4: Simplify right side
    49,688.87x = 1,932,944,568.79
  5. Step 5: Solve for x
    x = 1,932,944,568.79/49,688.87
  6. Step 6: Final answer
    x = 38,900.96

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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.