Home / 55,315.20-76,116.48-50,016

Finding the Fourth Proportional to 55,315.20, 76,116.48 and 50,016

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Solution

The fourth proportional to 55,315.20, 76,116.48 and 50,016 is: 68,824.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315.20 : 76,116.48 = 50,016 : x
  2. Step 2: Convert to fraction form
    55,315.20/76,116.48 = 50,016/x
  3. Step 3: Cross multiply
    55,315.20x = 76,116.48 × 50,016
  4. Step 4: Simplify right side
    55,315.20x = 3,807,041,863.68
  5. Step 5: Solve for x
    x = 3,807,041,863.68/55,315.20
  6. Step 6: Final answer
    x = 68,824.52

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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.