Home / 88,992.75-122,779.46-50,724.69

Finding the Fourth Proportional to 88,992.75, 122,779.46 and 50,724.69

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Solution

The fourth proportional to 88,992.75, 122,779.46 and 50,724.69 is: 69,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,992.75 : 122,779.46 = 50,724.69 : x
  2. Step 2: Convert to fraction form
    88,992.75/122,779.46 = 50,724.69/x
  3. Step 3: Cross multiply
    88,992.75x = 122,779.46 × 50,724.69
  4. Step 4: Simplify right side
    88,992.75x = 6,227,949,793.24
  5. Step 5: Solve for x
    x = 6,227,949,793.24/88,992.75
  6. Step 6: Final answer
    x = 69,982.66

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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.