Home / 75,416.63-112,990.01-50,380.88

Finding the Fourth Proportional to 75,416.63, 112,990.01 and 50,380.88

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Solution

The fourth proportional to 75,416.63, 112,990.01 and 50,380.88 is: 75,481.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,416.63 : 112,990.01 = 50,380.88 : x
  2. Step 2: Convert to fraction form
    75,416.63/112,990.01 = 50,380.88/x
  3. Step 3: Cross multiply
    75,416.63x = 112,990.01 × 50,380.88
  4. Step 4: Simplify right side
    75,416.63x = 5,692,536,135.01
  5. Step 5: Solve for x
    x = 5,692,536,135.01/75,416.63
  6. Step 6: Final answer
    x = 75,481.18

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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.