Home / 76,823.96-105,956.96-49,975.02

Finding the Fourth Proportional to 76,823.96, 105,956.96 and 49,975.02

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Solution

The fourth proportional to 76,823.96, 105,956.96 and 49,975.02 is: 68,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,823.96 : 105,956.96 = 49,975.02 : x
  2. Step 2: Convert to fraction form
    76,823.96/105,956.96 = 49,975.02/x
  3. Step 3: Cross multiply
    76,823.96x = 105,956.96 × 49,975.02
  4. Step 4: Simplify right side
    76,823.96x = 5,295,200,945.26
  5. Step 5: Solve for x
    x = 5,295,200,945.26/76,823.96
  6. Step 6: Final answer
    x = 68,926.43

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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.