Home / 43,039.08-64,562.34-11,874.33

Finding the Fourth Proportional to 43,039.08, 64,562.34 and 11,874.33

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Solution

The fourth proportional to 43,039.08, 64,562.34 and 11,874.33 is: 17,812.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,039.08 : 64,562.34 = 11,874.33 : x
  2. Step 2: Convert to fraction form
    43,039.08/64,562.34 = 11,874.33/x
  3. Step 3: Cross multiply
    43,039.08x = 64,562.34 × 11,874.33
  4. Step 4: Simplify right side
    43,039.08x = 766,634,530.73
  5. Step 5: Solve for x
    x = 766,634,530.73/43,039.08
  6. Step 6: Final answer
    x = 17,812.52

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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.