Home / 52,640.55-78,986.75-35,105.67

Finding the Fourth Proportional to 52,640.55, 78,986.75 and 35,105.67

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Solution

The fourth proportional to 52,640.55, 78,986.75 and 35,105.67 is: 52,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,640.55 : 78,986.75 = 35,105.67 : x
  2. Step 2: Convert to fraction form
    52,640.55/78,986.75 = 35,105.67/x
  3. Step 3: Cross multiply
    52,640.55x = 78,986.75 × 35,105.67
  4. Step 4: Simplify right side
    52,640.55x = 2,772,882,604.34
  5. Step 5: Solve for x
    x = 2,772,882,604.34/52,640.55
  6. Step 6: Final answer
    x = 52,675.79

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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.