Home / 65,884.86-98,836.92-19,131.66

Finding the Fourth Proportional to 65,884.86, 98,836.92 and 19,131.66

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Solution

The fourth proportional to 65,884.86, 98,836.92 and 19,131.66 is: 28,700.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,884.86 : 98,836.92 = 19,131.66 : x
  2. Step 2: Convert to fraction form
    65,884.86/98,836.92 = 19,131.66/x
  3. Step 3: Cross multiply
    65,884.86x = 98,836.92 × 19,131.66
  4. Step 4: Simplify right side
    65,884.86x = 1,890,914,348.89
  5. Step 5: Solve for x
    x = 1,890,914,348.89/65,884.86
  6. Step 6: Final answer
    x = 28,700.29

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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.