Home / 74,367.46-102,627.86-40,376.26

Finding the Fourth Proportional to 74,367.46, 102,627.86 and 40,376.26

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Solution

The fourth proportional to 74,367.46, 102,627.86 and 40,376.26 is: 55,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367.46 : 102,627.86 = 40,376.26 : x
  2. Step 2: Convert to fraction form
    74,367.46/102,627.86 = 40,376.26/x
  3. Step 3: Cross multiply
    74,367.46x = 102,627.86 × 40,376.26
  4. Step 4: Simplify right side
    74,367.46x = 4,143,729,158.60
  5. Step 5: Solve for x
    x = 4,143,729,158.60/74,367.46
  6. Step 6: Final answer
    x = 55,719.65

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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.