Home / 76,213.06-114,286.48-40,666.45

Finding the Fourth Proportional to 76,213.06, 114,286.48 and 40,666.45

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Solution

The fourth proportional to 76,213.06, 114,286.48 and 40,666.45 is: 60,982.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,213.06 : 114,286.48 = 40,666.45 : x
  2. Step 2: Convert to fraction form
    76,213.06/114,286.48 = 40,666.45/x
  3. Step 3: Cross multiply
    76,213.06x = 114,286.48 × 40,666.45
  4. Step 4: Simplify right side
    76,213.06x = 4,647,625,424.60
  5. Step 5: Solve for x
    x = 4,647,625,424.60/76,213.06
  6. Step 6: Final answer
    x = 60,982.01

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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.