Home / 57,090.03-85,643.25-17,650.22

Finding the Fourth Proportional to 57,090.03, 85,643.25 and 17,650.22

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Solution

The fourth proportional to 57,090.03, 85,643.25 and 17,650.22 is: 26,477.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,090.03 : 85,643.25 = 17,650.22 : x
  2. Step 2: Convert to fraction form
    57,090.03/85,643.25 = 17,650.22/x
  3. Step 3: Cross multiply
    57,090.03x = 85,643.25 × 17,650.22
  4. Step 4: Simplify right side
    57,090.03x = 1,511,621,775.80
  5. Step 5: Solve for x
    x = 1,511,621,775.80/57,090.03
  6. Step 6: Final answer
    x = 26,477.86

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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.