Home / 55,244.32-82,792.40-30,246.72

Finding the Fourth Proportional to 55,244.32, 82,792.40 and 30,246.72

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Solution

The fourth proportional to 55,244.32, 82,792.40 and 30,246.72 is: 45,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,244.32 : 82,792.40 = 30,246.72 : x
  2. Step 2: Convert to fraction form
    55,244.32/82,792.40 = 30,246.72/x
  3. Step 3: Cross multiply
    55,244.32x = 82,792.40 × 30,246.72
  4. Step 4: Simplify right side
    55,244.32x = 2,504,198,540.93
  5. Step 5: Solve for x
    x = 2,504,198,540.93/55,244.32
  6. Step 6: Final answer
    x = 45,329.52

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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.