Home / 55,409.46-76,464.78-30,258.96

Finding the Fourth Proportional to 55,409.46, 76,464.78 and 30,258.96

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Solution

The fourth proportional to 55,409.46, 76,464.78 and 30,258.96 is: 41,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,409.46 : 76,464.78 = 30,258.96 : x
  2. Step 2: Convert to fraction form
    55,409.46/76,464.78 = 30,258.96/x
  3. Step 3: Cross multiply
    55,409.46x = 76,464.78 × 30,258.96
  4. Step 4: Simplify right side
    55,409.46x = 2,313,744,719.43
  5. Step 5: Solve for x
    x = 2,313,744,719.43/55,409.46
  6. Step 6: Final answer
    x = 41,757.21

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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.