Home / 84,835.33-127,231.99-28,674.20

Finding the Fourth Proportional to 84,835.33, 127,231.99 and 28,674.20

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Solution

The fourth proportional to 84,835.33, 127,231.99 and 28,674.20 is: 43,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,835.33 : 127,231.99 = 28,674.20 : x
  2. Step 2: Convert to fraction form
    84,835.33/127,231.99 = 28,674.20/x
  3. Step 3: Cross multiply
    84,835.33x = 127,231.99 × 28,674.20
  4. Step 4: Simplify right side
    84,835.33x = 3,648,275,774.05
  5. Step 5: Solve for x
    x = 3,648,275,774.05/84,835.33
  6. Step 6: Final answer
    x = 43,004.20

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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.