Home / 88,086.77-121,559.83-50,361.81

Finding the Fourth Proportional to 88,086.77, 121,559.83 and 50,361.81

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Solution

The fourth proportional to 88,086.77, 121,559.83 and 50,361.81 is: 69,499.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,086.77 : 121,559.83 = 50,361.81 : x
  2. Step 2: Convert to fraction form
    88,086.77/121,559.83 = 50,361.81/x
  3. Step 3: Cross multiply
    88,086.77x = 121,559.83 × 50,361.81
  4. Step 4: Simplify right side
    88,086.77x = 6,121,972,810.28
  5. Step 5: Solve for x
    x = 6,121,972,810.28/88,086.77
  6. Step 6: Final answer
    x = 69,499.34

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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.