Home / 51,216.12-76,768.62-26,221.88

Finding the Fourth Proportional to 51,216.12, 76,768.62 and 26,221.88

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Solution

The fourth proportional to 51,216.12, 76,768.62 and 26,221.88 is: 39,304.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,216.12 : 76,768.62 = 26,221.88 : x
  2. Step 2: Convert to fraction form
    51,216.12/76,768.62 = 26,221.88/x
  3. Step 3: Cross multiply
    51,216.12x = 76,768.62 × 26,221.88
  4. Step 4: Simplify right side
    51,216.12x = 2,013,017,541.41
  5. Step 5: Solve for x
    x = 2,013,017,541.41/51,216.12
  6. Step 6: Final answer
    x = 39,304.37

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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.