Home / 90,361.36-124,707.36-50,083.84

Finding the Fourth Proportional to 90,361.36, 124,707.36 and 50,083.84

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Solution

The fourth proportional to 90,361.36, 124,707.36 and 50,083.84 is: 69,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,361.36 : 124,707.36 = 50,083.84 : x
  2. Step 2: Convert to fraction form
    90,361.36/124,707.36 = 50,083.84/x
  3. Step 3: Cross multiply
    90,361.36x = 124,707.36 × 50,083.84
  4. Step 4: Simplify right side
    90,361.36x = 6,245,823,465.06
  5. Step 5: Solve for x
    x = 6,245,823,465.06/90,361.36
  6. Step 6: Final answer
    x = 69,120.51

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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.