Home / 55,050.78-82,576.14-13,497.78

Finding the Fourth Proportional to 55,050.78, 82,576.14 and 13,497.78

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Solution

The fourth proportional to 55,050.78, 82,576.14 and 13,497.78 is: 20,246.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,050.78 : 82,576.14 = 13,497.78 : x
  2. Step 2: Convert to fraction form
    55,050.78/82,576.14 = 13,497.78/x
  3. Step 3: Cross multiply
    55,050.78x = 82,576.14 × 13,497.78
  4. Step 4: Simplify right side
    55,050.78x = 1,114,594,570.97
  5. Step 5: Solve for x
    x = 1,114,594,570.97/55,050.78
  6. Step 6: Final answer
    x = 20,246.66

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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.