Home / 74,367.34-102,626.37-40,375.16

Finding the Fourth Proportional to 74,367.34, 102,626.37 and 40,375.16

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Solution

The fourth proportional to 74,367.34, 102,626.37 and 40,375.16 is: 55,717.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367.34 : 102,626.37 = 40,375.16 : x
  2. Step 2: Convert to fraction form
    74,367.34/102,626.37 = 40,375.16/x
  3. Step 3: Cross multiply
    74,367.34x = 102,626.37 × 40,375.16
  4. Step 4: Simplify right side
    74,367.34x = 4,143,555,393.96
  5. Step 5: Solve for x
    x = 4,143,555,393.96/74,367.34
  6. Step 6: Final answer
    x = 55,717.41

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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.