Home / 65,684.52-98,541.36-18,933.75

Finding the Fourth Proportional to 65,684.52, 98,541.36 and 18,933.75

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Solution

The fourth proportional to 65,684.52, 98,541.36 and 18,933.75 is: 28,404.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,684.52 : 98,541.36 = 18,933.75 : x
  2. Step 2: Convert to fraction form
    65,684.52/98,541.36 = 18,933.75/x
  3. Step 3: Cross multiply
    65,684.52x = 98,541.36 × 18,933.75
  4. Step 4: Simplify right side
    65,684.52x = 1,865,757,474.90
  5. Step 5: Solve for x
    x = 1,865,757,474.90/65,684.52
  6. Step 6: Final answer
    x = 28,404.83

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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.