Home / 90,418.92-124,766.40-50,132.28

Finding the Fourth Proportional to 90,418.92, 124,766.40 and 50,132.28

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Solution

The fourth proportional to 90,418.92, 124,766.40 and 50,132.28 is: 69,176.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,418.92 : 124,766.40 = 50,132.28 : x
  2. Step 2: Convert to fraction form
    90,418.92/124,766.40 = 50,132.28/x
  3. Step 3: Cross multiply
    90,418.92x = 124,766.40 × 50,132.28
  4. Step 4: Simplify right side
    90,418.92x = 6,254,824,099.39
  5. Step 5: Solve for x
    x = 6,254,824,099.39/90,418.92
  6. Step 6: Final answer
    x = 69,176.05

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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.