Home / 103,816.80-155,667.60-41,416.80

Finding the Fourth Proportional to 103,816.80, 155,667.60 and 41,416.80

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Solution

The fourth proportional to 103,816.80, 155,667.60 and 41,416.80 is: 62,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,816.80 : 155,667.60 = 41,416.80 : x
  2. Step 2: Convert to fraction form
    103,816.80/155,667.60 = 41,416.80/x
  3. Step 3: Cross multiply
    103,816.80x = 155,667.60 × 41,416.80
  4. Step 4: Simplify right side
    103,816.80x = 6,447,253,855.68
  5. Step 5: Solve for x
    x = 6,447,253,855.68/103,816.80
  6. Step 6: Final answer
    x = 62,102.22

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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.