Home / 91,262.88-125,942.85-50,976.59

Finding the Fourth Proportional to 91,262.88, 125,942.85 and 50,976.59

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Solution

The fourth proportional to 91,262.88, 125,942.85 and 50,976.59 is: 70,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,262.88 : 125,942.85 = 50,976.59 : x
  2. Step 2: Convert to fraction form
    91,262.88/125,942.85 = 50,976.59/x
  3. Step 3: Cross multiply
    91,262.88x = 125,942.85 × 50,976.59
  4. Step 4: Simplify right side
    91,262.88x = 6,420,136,398.17
  5. Step 5: Solve for x
    x = 6,420,136,398.17/91,262.88
  6. Step 6: Final answer
    x = 70,347.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.