Home / 90,976.13-136,484.96-27,805.24

Finding the Fourth Proportional to 90,976.13, 136,484.96 and 27,805.24

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Solution

The fourth proportional to 90,976.13, 136,484.96 and 27,805.24 is: 41,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,976.13 : 136,484.96 = 27,805.24 : x
  2. Step 2: Convert to fraction form
    90,976.13/136,484.96 = 27,805.24/x
  3. Step 3: Cross multiply
    90,976.13x = 136,484.96 × 27,805.24
  4. Step 4: Simplify right side
    90,976.13x = 3,794,997,069.19
  5. Step 5: Solve for x
    x = 3,794,997,069.19/90,976.13
  6. Step 6: Final answer
    x = 41,714.21

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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.