Home / 103,819.36-155,773.68-33,720.16

Finding the Fourth Proportional to 103,819.36, 155,773.68 and 33,720.16

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Solution

The fourth proportional to 103,819.36, 155,773.68 and 33,720.16 is: 50,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,819.36 : 155,773.68 = 33,720.16 : x
  2. Step 2: Convert to fraction form
    103,819.36/155,773.68 = 33,720.16/x
  3. Step 3: Cross multiply
    103,819.36x = 155,773.68 × 33,720.16
  4. Step 4: Simplify right side
    103,819.36x = 5,252,713,413.39
  5. Step 5: Solve for x
    x = 5,252,713,413.39/103,819.36
  6. Step 6: Final answer
    x = 50,594.74

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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.