Home / 43,231.48-64,841.76-11,644.06

Finding the Fourth Proportional to 43,231.48, 64,841.76 and 11,644.06

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Solution

The fourth proportional to 43,231.48, 64,841.76 and 11,644.06 is: 17,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,231.48 : 64,841.76 = 11,644.06 : x
  2. Step 2: Convert to fraction form
    43,231.48/64,841.76 = 11,644.06/x
  3. Step 3: Cross multiply
    43,231.48x = 64,841.76 × 11,644.06
  4. Step 4: Simplify right side
    43,231.48x = 755,021,343.95
  5. Step 5: Solve for x
    x = 755,021,343.95/43,231.48
  6. Step 6: Final answer
    x = 17,464.62

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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.