Home / 90,470.76-124,851.65-50,183.21

Finding the Fourth Proportional to 90,470.76, 124,851.65 and 50,183.21

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Solution

The fourth proportional to 90,470.76, 124,851.65 and 50,183.21 is: 69,253.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,470.76 : 124,851.65 = 50,183.21 : x
  2. Step 2: Convert to fraction form
    90,470.76/124,851.65 = 50,183.21/x
  3. Step 3: Cross multiply
    90,470.76x = 124,851.65 × 50,183.21
  4. Step 4: Simplify right side
    90,470.76x = 6,265,456,570.80
  5. Step 5: Solve for x
    x = 6,265,456,570.80/90,470.76
  6. Step 6: Final answer
    x = 69,253.94

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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.