Home / 51,863.20-77,615.60-31,101.60

Finding the Fourth Proportional to 51,863.20, 77,615.60 and 31,101.60

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Solution

The fourth proportional to 51,863.20, 77,615.60 and 31,101.60 is: 46,544.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,863.20 : 77,615.60 = 31,101.60 : x
  2. Step 2: Convert to fraction form
    51,863.20/77,615.60 = 31,101.60/x
  3. Step 3: Cross multiply
    51,863.20x = 77,615.60 × 31,101.60
  4. Step 4: Simplify right side
    51,863.20x = 2,413,969,344.96
  5. Step 5: Solve for x
    x = 2,413,969,344.96/51,863.20
  6. Step 6: Final answer
    x = 46,544.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.