Home / 55,795.76-76,975.89-35,647.42

Finding the Fourth Proportional to 55,795.76, 76,975.89 and 35,647.42

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Solution

The fourth proportional to 55,795.76, 76,975.89 and 35,647.42 is: 49,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,795.76 : 76,975.89 = 35,647.42 : x
  2. Step 2: Convert to fraction form
    55,795.76/76,975.89 = 35,647.42/x
  3. Step 3: Cross multiply
    55,795.76x = 76,975.89 × 35,647.42
  4. Step 4: Simplify right side
    55,795.76x = 2,743,991,880.70
  5. Step 5: Solve for x
    x = 2,743,991,880.70/55,795.76
  6. Step 6: Final answer
    x = 49,179.22

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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.