Home / 80,431.22-110,989.76-44,619.96

Finding the Fourth Proportional to 80,431.22, 110,989.76 and 44,619.96

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Solution

The fourth proportional to 80,431.22, 110,989.76 and 44,619.96 is: 61,572.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,431.22 : 110,989.76 = 44,619.96 : x
  2. Step 2: Convert to fraction form
    80,431.22/110,989.76 = 44,619.96/x
  3. Step 3: Cross multiply
    80,431.22x = 110,989.76 × 44,619.96
  4. Step 4: Simplify right side
    80,431.22x = 4,952,358,651.61
  5. Step 5: Solve for x
    x = 4,952,358,651.61/80,431.22
  6. Step 6: Final answer
    x = 61,572.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.