Home / 82,738.60-124,080.66-26,565.35

Finding the Fourth Proportional to 82,738.60, 124,080.66 and 26,565.35

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Solution

The fourth proportional to 82,738.60, 124,080.66 and 26,565.35 is: 39,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,738.60 : 124,080.66 = 26,565.35 : x
  2. Step 2: Convert to fraction form
    82,738.60/124,080.66 = 26,565.35/x
  3. Step 3: Cross multiply
    82,738.60x = 124,080.66 × 26,565.35
  4. Step 4: Simplify right side
    82,738.60x = 3,296,245,540.73
  5. Step 5: Solve for x
    x = 3,296,245,540.73/82,738.60
  6. Step 6: Final answer
    x = 39,839.27

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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.