Home / 57,190.16-85,796.69-19,751.60

Finding the Fourth Proportional to 57,190.16, 85,796.69 and 19,751.60

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Solution

The fourth proportional to 57,190.16, 85,796.69 and 19,751.60 is: 29,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,190.16 : 85,796.69 = 19,751.60 : x
  2. Step 2: Convert to fraction form
    57,190.16/85,796.69 = 19,751.60/x
  3. Step 3: Cross multiply
    57,190.16x = 85,796.69 × 19,751.60
  4. Step 4: Simplify right side
    57,190.16x = 1,694,621,902.20
  5. Step 5: Solve for x
    x = 1,694,621,902.20/57,190.16
  6. Step 6: Final answer
    x = 29,631.35

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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.