Home / 65,821.21-98,642.35-27,838.92

Finding the Fourth Proportional to 65,821.21, 98,642.35 and 27,838.92

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Solution

The fourth proportional to 65,821.21, 98,642.35 and 27,838.92 is: 41,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,821.21 : 98,642.35 = 27,838.92 : x
  2. Step 2: Convert to fraction form
    65,821.21/98,642.35 = 27,838.92/x
  3. Step 3: Cross multiply
    65,821.21x = 98,642.35 × 27,838.92
  4. Step 4: Simplify right side
    65,821.21x = 2,746,096,490.26
  5. Step 5: Solve for x
    x = 2,746,096,490.26/65,821.21
  6. Step 6: Final answer
    x = 41,720.54

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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.