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Finding the Fourth Proportional to 90,593.70, 125,020.44 and 50,309.97

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Solution

The fourth proportional to 90,593.70, 125,020.44 and 50,309.97 is: 69,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,593.70 : 125,020.44 = 50,309.97 : x
  2. Step 2: Convert to fraction form
    90,593.70/125,020.44 = 50,309.97/x
  3. Step 3: Cross multiply
    90,593.70x = 125,020.44 × 50,309.97
  4. Step 4: Simplify right side
    90,593.70x = 6,289,774,585.79
  5. Step 5: Solve for x
    x = 6,289,774,585.79/90,593.70
  6. Step 6: Final answer
    x = 69,428.39

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1.5x scale

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.