Home / 90,986.58-136,227.96-46,517.58

Finding the Fourth Proportional to 90,986.58, 136,227.96 and 46,517.58

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Solution

The fourth proportional to 90,986.58, 136,227.96 and 46,517.58 is: 69,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,986.58 : 136,227.96 = 46,517.58 : x
  2. Step 2: Convert to fraction form
    90,986.58/136,227.96 = 46,517.58/x
  3. Step 3: Cross multiply
    90,986.58x = 136,227.96 × 46,517.58
  4. Step 4: Simplify right side
    90,986.58x = 6,336,995,027.54
  5. Step 5: Solve for x
    x = 6,336,995,027.54/90,986.58
  6. Step 6: Final answer
    x = 69,647.58

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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.