Home / 65,927.20-98,821.09-21,542.04

Finding the Fourth Proportional to 65,927.20, 98,821.09 and 21,542.04

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Solution

The fourth proportional to 65,927.20, 98,821.09 and 21,542.04 is: 32,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,927.20 : 98,821.09 = 21,542.04 : x
  2. Step 2: Convert to fraction form
    65,927.20/98,821.09 = 21,542.04/x
  3. Step 3: Cross multiply
    65,927.20x = 98,821.09 × 21,542.04
  4. Step 4: Simplify right side
    65,927.20x = 2,128,807,873.62
  5. Step 5: Solve for x
    x = 2,128,807,873.62/65,927.20
  6. Step 6: Final answer
    x = 32,290.28

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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.