Home / 65,769.02-98,668.14-19,018.34

Finding the Fourth Proportional to 65,769.02, 98,668.14 and 19,018.34

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Solution

The fourth proportional to 65,769.02, 98,668.14 and 19,018.34 is: 28,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,769.02 : 98,668.14 = 19,018.34 : x
  2. Step 2: Convert to fraction form
    65,769.02/98,668.14 = 19,018.34/x
  3. Step 3: Cross multiply
    65,769.02x = 98,668.14 × 19,018.34
  4. Step 4: Simplify right side
    65,769.02x = 1,876,504,233.69
  5. Step 5: Solve for x
    x = 1,876,504,233.69/65,769.02
  6. Step 6: Final answer
    x = 28,531.73

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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.