Home / 75,621.88-113,362.72-33,479.50

Finding the Fourth Proportional to 75,621.88, 113,362.72 and 33,479.50

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Solution

The fourth proportional to 75,621.88, 113,362.72 and 33,479.50 is: 50,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,621.88 : 113,362.72 = 33,479.50 : x
  2. Step 2: Convert to fraction form
    75,621.88/113,362.72 = 33,479.50/x
  3. Step 3: Cross multiply
    75,621.88x = 113,362.72 × 33,479.50
  4. Step 4: Simplify right side
    75,621.88x = 3,795,327,242.24
  5. Step 5: Solve for x
    x = 3,795,327,242.24/75,621.88
  6. Step 6: Final answer
    x = 50,188.22

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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.