Home / 51,691.90-77,570.66-22,134.60

Finding the Fourth Proportional to 51,691.90, 77,570.66 and 22,134.60

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Solution

The fourth proportional to 51,691.90, 77,570.66 and 22,134.60 is: 33,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,691.90 : 77,570.66 = 22,134.60 : x
  2. Step 2: Convert to fraction form
    51,691.90/77,570.66 = 22,134.60/x
  3. Step 3: Cross multiply
    51,691.90x = 77,570.66 × 22,134.60
  4. Step 4: Simplify right side
    51,691.90x = 1,716,995,530.84
  5. Step 5: Solve for x
    x = 1,716,995,530.84/51,691.90
  6. Step 6: Final answer
    x = 33,215.95

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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.