Home / 71,527.03-107,292.35-21,608.75

Finding the Fourth Proportional to 71,527.03, 107,292.35 and 21,608.75

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Solution

The fourth proportional to 71,527.03, 107,292.35 and 21,608.75 is: 32,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,527.03 : 107,292.35 = 21,608.75 : x
  2. Step 2: Convert to fraction form
    71,527.03/107,292.35 = 21,608.75/x
  3. Step 3: Cross multiply
    71,527.03x = 107,292.35 × 21,608.75
  4. Step 4: Simplify right side
    71,527.03x = 2,318,453,890.32
  5. Step 5: Solve for x
    x = 2,318,453,890.32/71,527.03
  6. Step 6: Final answer
    x = 32,413.68

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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.