Home / 65,853.22-98,776.38-18,471.60

Finding the Fourth Proportional to 65,853.22, 98,776.38 and 18,471.60

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Solution

The fourth proportional to 65,853.22, 98,776.38 and 18,471.60 is: 27,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,853.22 : 98,776.38 = 18,471.60 : x
  2. Step 2: Convert to fraction form
    65,853.22/98,776.38 = 18,471.60/x
  3. Step 3: Cross multiply
    65,853.22x = 98,776.38 × 18,471.60
  4. Step 4: Simplify right side
    65,853.22x = 1,824,557,780.81
  5. Step 5: Solve for x
    x = 1,824,557,780.81/65,853.22
  6. Step 6: Final answer
    x = 27,706.43

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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.