Home / 62,986.45-86,917.31-34,692.14

Finding the Fourth Proportional to 62,986.45, 86,917.31 and 34,692.14

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Solution

The fourth proportional to 62,986.45, 86,917.31 and 34,692.14 is: 47,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,986.45 : 86,917.31 = 34,692.14 : x
  2. Step 2: Convert to fraction form
    62,986.45/86,917.31 = 34,692.14/x
  3. Step 3: Cross multiply
    62,986.45x = 86,917.31 × 34,692.14
  4. Step 4: Simplify right side
    62,986.45x = 3,015,346,878.90
  5. Step 5: Solve for x
    x = 3,015,346,878.90/62,986.45
  6. Step 6: Final answer
    x = 47,872.95

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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.