Home / 90,879.14-136,297.52-34,698.62

Finding the Fourth Proportional to 90,879.14, 136,297.52 and 34,698.62

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Solution

The fourth proportional to 90,879.14, 136,297.52 and 34,698.62 is: 52,039.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,879.14 : 136,297.52 = 34,698.62 : x
  2. Step 2: Convert to fraction form
    90,879.14/136,297.52 = 34,698.62/x
  3. Step 3: Cross multiply
    90,879.14x = 136,297.52 × 34,698.62
  4. Step 4: Simplify right side
    90,879.14x = 4,729,335,853.42
  5. Step 5: Solve for x
    x = 4,729,335,853.42/90,879.14
  6. Step 6: Final answer
    x = 52,039.84

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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.