Home / 90,433.91-124,805.19-50,151.53

Finding the Fourth Proportional to 90,433.91, 124,805.19 and 50,151.53

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Solution

The fourth proportional to 90,433.91, 124,805.19 and 50,151.53 is: 69,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,433.91 : 124,805.19 = 50,151.53 : x
  2. Step 2: Convert to fraction form
    90,433.91/124,805.19 = 50,151.53/x
  3. Step 3: Cross multiply
    90,433.91x = 124,805.19 × 50,151.53
  4. Step 4: Simplify right side
    90,433.91x = 6,259,170,606.41
  5. Step 5: Solve for x
    x = 6,259,170,606.41/90,433.91
  6. Step 6: Final answer
    x = 69,212.65

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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.