Home / 80,933.58-121,414.95-36,581.22

Finding the Fourth Proportional to 80,933.58, 121,414.95 and 36,581.22

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Solution

The fourth proportional to 80,933.58, 121,414.95 and 36,581.22 is: 54,878.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,933.58 : 121,414.95 = 36,581.22 : x
  2. Step 2: Convert to fraction form
    80,933.58/121,414.95 = 36,581.22/x
  3. Step 3: Cross multiply
    80,933.58x = 121,414.95 × 36,581.22
  4. Step 4: Simplify right side
    80,933.58x = 4,441,506,997.24
  5. Step 5: Solve for x
    x = 4,441,506,997.24/80,933.58
  6. Step 6: Final answer
    x = 54,878.42

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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.