Home / 90,449.76-124,828.33-50,176.49

Finding the Fourth Proportional to 90,449.76, 124,828.33 and 50,176.49

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Solution

The fourth proportional to 90,449.76, 124,828.33 and 50,176.49 is: 69,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,449.76 : 124,828.33 = 50,176.49 : x
  2. Step 2: Convert to fraction form
    90,449.76/124,828.33 = 50,176.49/x
  3. Step 3: Cross multiply
    90,449.76x = 124,828.33 × 50,176.49
  4. Step 4: Simplify right side
    90,449.76x = 6,263,447,451.96
  5. Step 5: Solve for x
    x = 6,263,447,451.96/90,449.76
  6. Step 6: Final answer
    x = 69,247.81

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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.