Home / 74,486.45-102,793.32-40,497.22

Finding the Fourth Proportional to 74,486.45, 102,793.32 and 40,497.22

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Solution

The fourth proportional to 74,486.45, 102,793.32 and 40,497.22 is: 55,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,486.45 : 102,793.32 = 40,497.22 : x
  2. Step 2: Convert to fraction form
    74,486.45/102,793.32 = 40,497.22/x
  3. Step 3: Cross multiply
    74,486.45x = 102,793.32 × 40,497.22
  4. Step 4: Simplify right side
    74,486.45x = 4,162,843,694.57
  5. Step 5: Solve for x
    x = 4,162,843,694.57/74,486.45
  6. Step 6: Final answer
    x = 55,887.27

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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.