Home / 75,795.37-113,693.40-19,631.49

Finding the Fourth Proportional to 75,795.37, 113,693.40 and 19,631.49

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Solution

The fourth proportional to 75,795.37, 113,693.40 and 19,631.49 is: 29,447.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,795.37 : 113,693.40 = 19,631.49 : x
  2. Step 2: Convert to fraction form
    75,795.37/113,693.40 = 19,631.49/x
  3. Step 3: Cross multiply
    75,795.37x = 113,693.40 × 19,631.49
  4. Step 4: Simplify right side
    75,795.37x = 2,231,970,845.17
  5. Step 5: Solve for x
    x = 2,231,970,845.17/75,795.37
  6. Step 6: Final answer
    x = 29,447.32

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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.