Home / 69,849.60-96,405.74-39,637.73

Finding the Fourth Proportional to 69,849.60, 96,405.74 and 39,637.73

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Solution

The fourth proportional to 69,849.60, 96,405.74 and 39,637.73 is: 54,707.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,849.60 : 96,405.74 = 39,637.73 : x
  2. Step 2: Convert to fraction form
    69,849.60/96,405.74 = 39,637.73/x
  3. Step 3: Cross multiply
    69,849.60x = 96,405.74 × 39,637.73
  4. Step 4: Simplify right side
    69,849.60x = 3,821,304,692.57
  5. Step 5: Solve for x
    x = 3,821,304,692.57/69,849.60
  6. Step 6: Final answer
    x = 54,707.61

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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.