Home / 65,505.18-98,175.54-28,021.16

Finding the Fourth Proportional to 65,505.18, 98,175.54 and 28,021.16

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Solution

The fourth proportional to 65,505.18, 98,175.54 and 28,021.16 is: 41,996.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,505.18 : 98,175.54 = 28,021.16 : x
  2. Step 2: Convert to fraction form
    65,505.18/98,175.54 = 28,021.16/x
  3. Step 3: Cross multiply
    65,505.18x = 98,175.54 × 28,021.16
  4. Step 4: Simplify right side
    65,505.18x = 2,750,992,514.43
  5. Step 5: Solve for x
    x = 2,750,992,514.43/65,505.18
  6. Step 6: Final answer
    x = 41,996.56

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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.