Home / 43,365.09-65,051.96-11,775.66

Finding the Fourth Proportional to 43,365.09, 65,051.96 and 11,775.66

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Solution

The fourth proportional to 43,365.09, 65,051.96 and 11,775.66 is: 17,664.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,365.09 : 65,051.96 = 11,775.66 : x
  2. Step 2: Convert to fraction form
    43,365.09/65,051.96 = 11,775.66/x
  3. Step 3: Cross multiply
    43,365.09x = 65,051.96 × 11,775.66
  4. Step 4: Simplify right side
    43,365.09x = 766,029,704.42
  5. Step 5: Solve for x
    x = 766,029,704.42/43,365.09
  6. Step 6: Final answer
    x = 17,664.66

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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.