Home / 74,367.62-102,589.29-47,481.86

Finding the Fourth Proportional to 74,367.62, 102,589.29 and 47,481.86

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Solution

The fourth proportional to 74,367.62, 102,589.29 and 47,481.86 is: 65,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367.62 : 102,589.29 = 47,481.86 : x
  2. Step 2: Convert to fraction form
    74,367.62/102,589.29 = 47,481.86/x
  3. Step 3: Cross multiply
    74,367.62x = 102,589.29 × 47,481.86
  4. Step 4: Simplify right side
    74,367.62x = 4,871,130,305.28
  5. Step 5: Solve for x
    x = 4,871,130,305.28/74,367.62
  6. Step 6: Final answer
    x = 65,500.69

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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.