Home / 80,447.43-120,690.66-24,284.19

Finding the Fourth Proportional to 80,447.43, 120,690.66 and 24,284.19

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Solution

The fourth proportional to 80,447.43, 120,690.66 and 24,284.19 is: 36,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,447.43 : 120,690.66 = 24,284.19 : x
  2. Step 2: Convert to fraction form
    80,447.43/120,690.66 = 24,284.19/x
  3. Step 3: Cross multiply
    80,447.43x = 120,690.66 × 24,284.19
  4. Step 4: Simplify right side
    80,447.43x = 2,930,874,392.26
  5. Step 5: Solve for x
    x = 2,930,874,392.26/80,447.43
  6. Step 6: Final answer
    x = 36,432.17

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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.