Home / 74,367.47-102,627.86-40,376.27

Finding the Fourth Proportional to 74,367.47, 102,627.86 and 40,376.27

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Solution

The fourth proportional to 74,367.47, 102,627.86 and 40,376.27 is: 55,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367.47 : 102,627.86 = 40,376.27 : x
  2. Step 2: Convert to fraction form
    74,367.47/102,627.86 = 40,376.27/x
  3. Step 3: Cross multiply
    74,367.47x = 102,627.86 × 40,376.27
  4. Step 4: Simplify right side
    74,367.47x = 4,143,729,469.86
  5. Step 5: Solve for x
    x = 4,143,729,469.86/74,367.47
  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.