Home / 74,667.66-111,972.33-33,085.50

Finding the Fourth Proportional to 74,667.66, 111,972.33 and 33,085.50

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Solution

The fourth proportional to 74,667.66, 111,972.33 and 33,085.50 is: 49,615.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,667.66 : 111,972.33 = 33,085.50 : x
  2. Step 2: Convert to fraction form
    74,667.66/111,972.33 = 33,085.50/x
  3. Step 3: Cross multiply
    74,667.66x = 111,972.33 × 33,085.50
  4. Step 4: Simplify right side
    74,667.66x = 3,704,660,524.22
  5. Step 5: Solve for x
    x = 3,704,660,524.22/74,667.66
  6. Step 6: Final answer
    x = 49,615.33

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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.