Home / 55,172.75-82,761.85-15,735.67

Finding the Fourth Proportional to 55,172.75, 82,761.85 and 15,735.67

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Solution

The fourth proportional to 55,172.75, 82,761.85 and 15,735.67 is: 23,604.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,172.75 : 82,761.85 = 15,735.67 : x
  2. Step 2: Convert to fraction form
    55,172.75/82,761.85 = 15,735.67/x
  3. Step 3: Cross multiply
    55,172.75x = 82,761.85 × 15,735.67
  4. Step 4: Simplify right side
    55,172.75x = 1,302,312,972.95
  5. Step 5: Solve for x
    x = 1,302,312,972.95/55,172.75
  6. Step 6: Final answer
    x = 23,604.28

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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.