Home / 70,765.02-106,147.53-18,174.56

Finding the Fourth Proportional to 70,765.02, 106,147.53 and 18,174.56

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Solution

The fourth proportional to 70,765.02, 106,147.53 and 18,174.56 is: 27,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,765.02 : 106,147.53 = 18,174.56 : x
  2. Step 2: Convert to fraction form
    70,765.02/106,147.53 = 18,174.56/x
  3. Step 3: Cross multiply
    70,765.02x = 106,147.53 × 18,174.56
  4. Step 4: Simplify right side
    70,765.02x = 1,929,184,122.10
  5. Step 5: Solve for x
    x = 1,929,184,122.10/70,765.02
  6. Step 6: Final answer
    x = 27,261.83

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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.