Home / 51,890.56-77,786-33,117.60

Finding the Fourth Proportional to 51,890.56, 77,786 and 33,117.60

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Solution

The fourth proportional to 51,890.56, 77,786 and 33,117.60 is: 49,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,890.56 : 77,786 = 33,117.60 : x
  2. Step 2: Convert to fraction form
    51,890.56/77,786 = 33,117.60/x
  3. Step 3: Cross multiply
    51,890.56x = 77,786 × 33,117.60
  4. Step 4: Simplify right side
    51,890.56x = 2,576,085,633.60
  5. Step 5: Solve for x
    x = 2,576,085,633.60/51,890.56
  6. Step 6: Final answer
    x = 49,644.59

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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.