Home / 65,026.72-97,540.08-18,279.60

Finding the Fourth Proportional to 65,026.72, 97,540.08 and 18,279.60

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Solution

The fourth proportional to 65,026.72, 97,540.08 and 18,279.60 is: 27,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,026.72 : 97,540.08 = 18,279.60 : x
  2. Step 2: Convert to fraction form
    65,026.72/97,540.08 = 18,279.60/x
  3. Step 3: Cross multiply
    65,026.72x = 97,540.08 × 18,279.60
  4. Step 4: Simplify right side
    65,026.72x = 1,782,993,314.87
  5. Step 5: Solve for x
    x = 1,782,993,314.87/65,026.72
  6. Step 6: Final answer
    x = 27,419.39

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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.