Home / 74,168.45-102,352.58-43,968.61

Finding the Fourth Proportional to 74,168.45, 102,352.58 and 43,968.61

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Solution

The fourth proportional to 74,168.45, 102,352.58 and 43,968.61 is: 60,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,168.45 : 102,352.58 = 43,968.61 : x
  2. Step 2: Convert to fraction form
    74,168.45/102,352.58 = 43,968.61/x
  3. Step 3: Cross multiply
    74,168.45x = 102,352.58 × 43,968.61
  4. Step 4: Simplify right side
    74,168.45x = 4,500,300,672.51
  5. Step 5: Solve for x
    x = 4,500,300,672.51/74,168.45
  6. Step 6: Final answer
    x = 60,676.75

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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.