Home / 80,085.21-110,512.17-44,270.39

Finding the Fourth Proportional to 80,085.21, 110,512.17 and 44,270.39

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Solution

The fourth proportional to 80,085.21, 110,512.17 and 44,270.39 is: 61,090.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,085.21 : 110,512.17 = 44,270.39 : x
  2. Step 2: Convert to fraction form
    80,085.21/110,512.17 = 44,270.39/x
  3. Step 3: Cross multiply
    80,085.21x = 110,512.17 × 44,270.39
  4. Step 4: Simplify right side
    80,085.21x = 4,892,416,313.09
  5. Step 5: Solve for x
    x = 4,892,416,313.09/80,085.21
  6. Step 6: Final answer
    x = 61,090.14

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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.