Home / 43,083.78-64,628.74-11,493.68

Finding the Fourth Proportional to 43,083.78, 64,628.74 and 11,493.68

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Solution

The fourth proportional to 43,083.78, 64,628.74 and 11,493.68 is: 17,241.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,083.78 : 64,628.74 = 11,493.68 : x
  2. Step 2: Convert to fraction form
    43,083.78/64,628.74 = 11,493.68/x
  3. Step 3: Cross multiply
    43,083.78x = 64,628.74 × 11,493.68
  4. Step 4: Simplify right side
    43,083.78x = 742,822,056.36
  5. Step 5: Solve for x
    x = 742,822,056.36/43,083.78
  6. Step 6: Final answer
    x = 17,241.34

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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.