Home / 65,738.50-98,568.30-30,155.26

Finding the Fourth Proportional to 65,738.50, 98,568.30 and 30,155.26

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Solution

The fourth proportional to 65,738.50, 98,568.30 and 30,155.26 is: 45,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,738.50 : 98,568.30 = 30,155.26 : x
  2. Step 2: Convert to fraction form
    65,738.50/98,568.30 = 30,155.26/x
  3. Step 3: Cross multiply
    65,738.50x = 98,568.30 × 30,155.26
  4. Step 4: Simplify right side
    65,738.50x = 2,972,352,714.26
  5. Step 5: Solve for x
    x = 2,972,352,714.26/65,738.50
  6. Step 6: Final answer
    x = 45,214.79

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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.