Home / 74,446.06-102,736.20-40,454.54

Finding the Fourth Proportional to 74,446.06, 102,736.20 and 40,454.54

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Solution

The fourth proportional to 74,446.06, 102,736.20 and 40,454.54 is: 55,827.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,446.06 : 102,736.20 = 40,454.54 : x
  2. Step 2: Convert to fraction form
    74,446.06/102,736.20 = 40,454.54/x
  3. Step 3: Cross multiply
    74,446.06x = 102,736.20 × 40,454.54
  4. Step 4: Simplify right side
    74,446.06x = 4,156,145,712.35
  5. Step 5: Solve for x
    x = 4,156,145,712.35/74,446.06
  6. Step 6: Final answer
    x = 55,827.61

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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.