Home / 125,705.96-188,558.45-50,825.21

Finding the Fourth Proportional to 125,705.96, 188,558.45 and 50,825.21

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Solution

The fourth proportional to 125,705.96, 188,558.45 and 50,825.21 is: 76,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,705.96 : 188,558.45 = 50,825.21 : x
  2. Step 2: Convert to fraction form
    125,705.96/188,558.45 = 50,825.21/x
  3. Step 3: Cross multiply
    125,705.96x = 188,558.45 × 50,825.21
  4. Step 4: Simplify right side
    125,705.96x = 9,583,521,812.20
  5. Step 5: Solve for x
    x = 9,583,521,812.20/125,705.96
  6. Step 6: Final answer
    x = 76,237.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.