Home / 90,976.63-136,485.72-27,805.74

Finding the Fourth Proportional to 90,976.63, 136,485.72 and 27,805.74

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Solution

The fourth proportional to 90,976.63, 136,485.72 and 27,805.74 is: 41,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,976.63 : 136,485.72 = 27,805.74 : x
  2. Step 2: Convert to fraction form
    90,976.63/136,485.72 = 27,805.74/x
  3. Step 3: Cross multiply
    90,976.63x = 136,485.72 × 27,805.74
  4. Step 4: Simplify right side
    90,976.63x = 3,795,086,305.00
  5. Step 5: Solve for x
    x = 3,795,086,305.00/90,976.63
  6. Step 6: Final answer
    x = 41,714.96

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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.