Home / 65,768.50-98,653.67-21,395.49

Finding the Fourth Proportional to 65,768.50, 98,653.67 and 21,395.49

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Solution

The fourth proportional to 65,768.50, 98,653.67 and 21,395.49 is: 32,093.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,768.50 : 98,653.67 = 21,395.49 : x
  2. Step 2: Convert to fraction form
    65,768.50/98,653.67 = 21,395.49/x
  3. Step 3: Cross multiply
    65,768.50x = 98,653.67 × 21,395.49
  4. Step 4: Simplify right side
    65,768.50x = 2,110,743,609.95
  5. Step 5: Solve for x
    x = 2,110,743,609.95/65,768.50
  6. Step 6: Final answer
    x = 32,093.53

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1.5x scale

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.