Home / 90,920.19-136,400.93-27,745.95

Finding the Fourth Proportional to 90,920.19, 136,400.93 and 27,745.95

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Solution

The fourth proportional to 90,920.19, 136,400.93 and 27,745.95 is: 41,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,920.19 : 136,400.93 = 27,745.95 : x
  2. Step 2: Convert to fraction form
    90,920.19/136,400.93 = 27,745.95/x
  3. Step 3: Cross multiply
    90,920.19x = 136,400.93 × 27,745.95
  4. Step 4: Simplify right side
    90,920.19x = 3,784,573,245.00
  5. Step 5: Solve for x
    x = 3,784,573,245.00/90,920.19
  6. Step 6: Final answer
    x = 41,625.22

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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.