Home / 88,979.94-122,790.30-50,736.90

Finding the Fourth Proportional to 88,979.94, 122,790.30 and 50,736.90

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Solution

The fourth proportional to 88,979.94, 122,790.30 and 50,736.90 is: 70,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,979.94 : 122,790.30 = 50,736.90 : x
  2. Step 2: Convert to fraction form
    88,979.94/122,790.30 = 50,736.90/x
  3. Step 3: Cross multiply
    88,979.94x = 122,790.30 × 50,736.90
  4. Step 4: Simplify right side
    88,979.94x = 6,229,999,172.07
  5. Step 5: Solve for x
    x = 6,229,999,172.07/88,979.94
  6. Step 6: Final answer
    x = 70,015.77

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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.