Home / 80,736.60-121,056.30-41,370.60

Finding the Fourth Proportional to 80,736.60, 121,056.30 and 41,370.60

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Solution

The fourth proportional to 80,736.60, 121,056.30 and 41,370.60 is: 62,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,736.60 : 121,056.30 = 41,370.60 : x
  2. Step 2: Convert to fraction form
    80,736.60/121,056.30 = 41,370.60/x
  3. Step 3: Cross multiply
    80,736.60x = 121,056.30 × 41,370.60
  4. Step 4: Simplify right side
    80,736.60x = 5,008,171,764.78
  5. Step 5: Solve for x
    x = 5,008,171,764.78/80,736.60
  6. Step 6: Final answer
    x = 62,031.00

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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.