Home / 65,801.23-98,716.43-30,721.75

Finding the Fourth Proportional to 65,801.23, 98,716.43 and 30,721.75

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Solution

The fourth proportional to 65,801.23, 98,716.43 and 30,721.75 is: 46,089.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,801.23 : 98,716.43 = 30,721.75 : x
  2. Step 2: Convert to fraction form
    65,801.23/98,716.43 = 30,721.75/x
  3. Step 3: Cross multiply
    65,801.23x = 98,716.43 × 30,721.75
  4. Step 4: Simplify right side
    65,801.23x = 3,032,741,483.35
  5. Step 5: Solve for x
    x = 3,032,741,483.35/65,801.23
  6. Step 6: Final answer
    x = 46,089.43

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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.