Home / 103,724.80-155,630.40-33,625.60

Finding the Fourth Proportional to 103,724.80, 155,630.40 and 33,625.60

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Solution

The fourth proportional to 103,724.80, 155,630.40 and 33,625.60 is: 50,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,724.80 : 155,630.40 = 33,625.60 : x
  2. Step 2: Convert to fraction form
    103,724.80/155,630.40 = 33,625.60/x
  3. Step 3: Cross multiply
    103,724.80x = 155,630.40 × 33,625.60
  4. Step 4: Simplify right side
    103,724.80x = 5,233,165,578.24
  5. Step 5: Solve for x
    x = 5,233,165,578.24/103,724.80
  6. Step 6: Final answer
    x = 50,452.40

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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.