Home / 42,773.48-64,156.10-13,183.38

Finding the Fourth Proportional to 42,773.48, 64,156.10 and 13,183.38

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Solution

The fourth proportional to 42,773.48, 64,156.10 and 13,183.38 is: 19,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,773.48 : 64,156.10 = 13,183.38 : x
  2. Step 2: Convert to fraction form
    42,773.48/64,156.10 = 13,183.38/x
  3. Step 3: Cross multiply
    42,773.48x = 64,156.10 × 13,183.38
  4. Step 4: Simplify right side
    42,773.48x = 845,794,245.62
  5. Step 5: Solve for x
    x = 845,794,245.62/42,773.48
  6. Step 6: Final answer
    x = 19,773.80

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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.