Home / 80,455.03-120,683.43-24,295.61

Finding the Fourth Proportional to 80,455.03, 120,683.43 and 24,295.61

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Solution

The fourth proportional to 80,455.03, 120,683.43 and 24,295.61 is: 36,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,455.03 : 120,683.43 = 24,295.61 : x
  2. Step 2: Convert to fraction form
    80,455.03/120,683.43 = 24,295.61/x
  3. Step 3: Cross multiply
    80,455.03x = 120,683.43 × 24,295.61
  4. Step 4: Simplify right side
    80,455.03x = 2,932,077,850.45
  5. Step 5: Solve for x
    x = 2,932,077,850.45/80,455.03
  6. Step 6: Final answer
    x = 36,443.69

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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.