Home / 62,986.77-86,921.37-34,692.48

Finding the Fourth Proportional to 62,986.77, 86,921.37 and 34,692.48

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Solution

The fourth proportional to 62,986.77, 86,921.37 and 34,692.48 is: 47,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,986.77 : 86,921.37 = 34,692.48 : x
  2. Step 2: Convert to fraction form
    62,986.77/86,921.37 = 34,692.48/x
  3. Step 3: Cross multiply
    62,986.77x = 86,921.37 × 34,692.48
  4. Step 4: Simplify right side
    62,986.77x = 3,015,517,890.30
  5. Step 5: Solve for x
    x = 3,015,517,890.30/62,986.77
  6. Step 6: Final answer
    x = 47,875.42

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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.