Home / 103,817.12-155,627.16-33,647.12

Finding the Fourth Proportional to 103,817.12, 155,627.16 and 33,647.12

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Solution

The fourth proportional to 103,817.12, 155,627.16 and 33,647.12 is: 50,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,817.12 : 155,627.16 = 33,647.12 : x
  2. Step 2: Convert to fraction form
    103,817.12/155,627.16 = 33,647.12/x
  3. Step 3: Cross multiply
    103,817.12x = 155,627.16 × 33,647.12
  4. Step 4: Simplify right side
    103,817.12x = 5,236,405,727.78
  5. Step 5: Solve for x
    x = 5,236,405,727.78/103,817.12
  6. Step 6: Final answer
    x = 50,438.75

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1.5x scale

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.