Home / 90,227.75-124,501.26-49,941.42

Finding the Fourth Proportional to 90,227.75, 124,501.26 and 49,941.42

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Solution

The fourth proportional to 90,227.75, 124,501.26 and 49,941.42 is: 68,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,227.75 : 124,501.26 = 49,941.42 : x
  2. Step 2: Convert to fraction form
    90,227.75/124,501.26 = 49,941.42/x
  3. Step 3: Cross multiply
    90,227.75x = 124,501.26 × 49,941.42
  4. Step 4: Simplify right side
    90,227.75x = 6,217,769,218.54
  5. Step 5: Solve for x
    x = 6,217,769,218.54/90,227.75
  6. Step 6: Final answer
    x = 68,911.94

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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.