Home / 85,336.43-117,757.28-47,609.87

Finding the Fourth Proportional to 85,336.43, 117,757.28 and 47,609.87

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Solution

The fourth proportional to 85,336.43, 117,757.28 and 47,609.87 is: 65,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,336.43 : 117,757.28 = 47,609.87 : x
  2. Step 2: Convert to fraction form
    85,336.43/117,757.28 = 47,609.87/x
  3. Step 3: Cross multiply
    85,336.43x = 117,757.28 × 47,609.87
  4. Step 4: Simplify right side
    85,336.43x = 5,606,408,554.30
  5. Step 5: Solve for x
    x = 5,606,408,554.30/85,336.43
  6. Step 6: Final answer
    x = 65,697.72

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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.