Home / 65,704.44-98,555.27-21,331.13

Finding the Fourth Proportional to 65,704.44, 98,555.27 and 21,331.13

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Solution

The fourth proportional to 65,704.44, 98,555.27 and 21,331.13 is: 31,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,704.44 : 98,555.27 = 21,331.13 : x
  2. Step 2: Convert to fraction form
    65,704.44/98,555.27 = 21,331.13/x
  3. Step 3: Cross multiply
    65,704.44x = 98,555.27 × 21,331.13
  4. Step 4: Simplify right side
    65,704.44x = 2,102,294,677.12
  5. Step 5: Solve for x
    x = 2,102,294,677.12/65,704.44
  6. Step 6: Final answer
    x = 31,996.23

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Double scale
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Similar ratio
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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.