Home / 54,795.43-82,186.71-15,355.72

Finding the Fourth Proportional to 54,795.43, 82,186.71 and 15,355.72

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Solution

The fourth proportional to 54,795.43, 82,186.71 and 15,355.72 is: 23,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,795.43 : 82,186.71 = 15,355.72 : x
  2. Step 2: Convert to fraction form
    54,795.43/82,186.71 = 15,355.72/x
  3. Step 3: Cross multiply
    54,795.43x = 82,186.71 × 15,355.72
  4. Step 4: Simplify right side
    54,795.43x = 1,262,036,106.48
  5. Step 5: Solve for x
    x = 1,262,036,106.48/54,795.43
  6. Step 6: Final answer
    x = 23,031.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.