Home / 76,748.23-105,912.72-44,489.07

Finding the Fourth Proportional to 76,748.23, 105,912.72 and 44,489.07

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Solution

The fourth proportional to 76,748.23, 105,912.72 and 44,489.07 is: 61,395.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,748.23 : 105,912.72 = 44,489.07 : x
  2. Step 2: Convert to fraction form
    76,748.23/105,912.72 = 44,489.07/x
  3. Step 3: Cross multiply
    76,748.23x = 105,912.72 × 44,489.07
  4. Step 4: Simplify right side
    76,748.23x = 4,711,958,413.97
  5. Step 5: Solve for x
    x = 4,711,958,413.97/76,748.23
  6. Step 6: Final answer
    x = 61,395.01

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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.