Home / 75,199.35-112,817.25-30,825.12

Finding the Fourth Proportional to 75,199.35, 112,817.25 and 30,825.12

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Solution

The fourth proportional to 75,199.35, 112,817.25 and 30,825.12 is: 46,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,199.35 : 112,817.25 = 30,825.12 : x
  2. Step 2: Convert to fraction form
    75,199.35/112,817.25 = 30,825.12/x
  3. Step 3: Cross multiply
    75,199.35x = 112,817.25 × 30,825.12
  4. Step 4: Simplify right side
    75,199.35x = 3,477,605,269.32
  5. Step 5: Solve for x
    x = 3,477,605,269.32/75,199.35
  6. Step 6: Final answer
    x = 46,245.15

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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.