Home / 65,738.46-98,623.26-21,365.22

Finding the Fourth Proportional to 65,738.46, 98,623.26 and 21,365.22

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Solution

The fourth proportional to 65,738.46, 98,623.26 and 21,365.22 is: 32,052.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,738.46 : 98,623.26 = 21,365.22 : x
  2. Step 2: Convert to fraction form
    65,738.46/98,623.26 = 21,365.22/x
  3. Step 3: Cross multiply
    65,738.46x = 98,623.26 × 21,365.22
  4. Step 4: Simplify right side
    65,738.46x = 2,107,107,647.02
  5. Step 5: Solve for x
    x = 2,107,107,647.02/65,738.46
  6. Step 6: Final answer
    x = 32,052.89

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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.