Home / 62,830.69-86,706.38-34,538.20

Finding the Fourth Proportional to 62,830.69, 86,706.38 and 34,538.20

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Solution

The fourth proportional to 62,830.69, 86,706.38 and 34,538.20 is: 47,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,830.69 : 86,706.38 = 34,538.20 : x
  2. Step 2: Convert to fraction form
    62,830.69/86,706.38 = 34,538.20/x
  3. Step 3: Cross multiply
    62,830.69x = 86,706.38 × 34,538.20
  4. Step 4: Simplify right side
    62,830.69x = 2,994,682,163.30
  5. Step 5: Solve for x
    x = 2,994,682,163.30/62,830.69
  6. Step 6: Final answer
    x = 47,662.73

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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.