Home / 80,846.10-121,276.44-36,493.74

Finding the Fourth Proportional to 80,846.10, 121,276.44 and 36,493.74

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Solution

The fourth proportional to 80,846.10, 121,276.44 and 36,493.74 is: 54,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,846.10 : 121,276.44 = 36,493.74 : x
  2. Step 2: Convert to fraction form
    80,846.10/121,276.44 = 36,493.74/x
  3. Step 3: Cross multiply
    80,846.10x = 121,276.44 × 36,493.74
  4. Step 4: Simplify right side
    80,846.10x = 4,425,830,869.49
  5. Step 5: Solve for x
    x = 4,425,830,869.49/80,846.10
  6. Step 6: Final answer
    x = 54,743.90

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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.