Home / 88,321.34-121,880.84-50,084.37

Finding the Fourth Proportional to 88,321.34, 121,880.84 and 50,084.37

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Solution

The fourth proportional to 88,321.34, 121,880.84 and 50,084.37 is: 69,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,321.34 : 121,880.84 = 50,084.37 : x
  2. Step 2: Convert to fraction form
    88,321.34/121,880.84 = 50,084.37/x
  3. Step 3: Cross multiply
    88,321.34x = 121,880.84 × 50,084.37
  4. Step 4: Simplify right side
    88,321.34x = 6,104,324,836.05
  5. Step 5: Solve for x
    x = 6,104,324,836.05/88,321.34
  6. Step 6: Final answer
    x = 69,114.95

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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.