Home / 88,008.08-131,968.42-28,028.73

Finding the Fourth Proportional to 88,008.08, 131,968.42 and 28,028.73

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Solution

The fourth proportional to 88,008.08, 131,968.42 and 28,028.73 is: 42,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,008.08 : 131,968.42 = 28,028.73 : x
  2. Step 2: Convert to fraction form
    88,008.08/131,968.42 = 28,028.73/x
  3. Step 3: Cross multiply
    88,008.08x = 131,968.42 × 28,028.73
  4. Step 4: Simplify right side
    88,008.08x = 3,698,907,142.63
  5. Step 5: Solve for x
    x = 3,698,907,142.63/88,008.08
  6. Step 6: Final answer
    x = 42,029.18

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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.