Home / 90,470.40-124,849.76-50,183.36

Finding the Fourth Proportional to 90,470.40, 124,849.76 and 50,183.36

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Solution

The fourth proportional to 90,470.40, 124,849.76 and 50,183.36 is: 69,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,470.40 : 124,849.76 = 50,183.36 : x
  2. Step 2: Convert to fraction form
    90,470.40/124,849.76 = 50,183.36/x
  3. Step 3: Cross multiply
    90,470.40x = 124,849.76 × 50,183.36
  4. Step 4: Simplify right side
    90,470.40x = 6,265,380,451.99
  5. Step 5: Solve for x
    x = 6,265,380,451.99/90,470.40
  6. Step 6: Final answer
    x = 69,253.37

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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.