Home / 43,236.96-64,849.68-12,075.36

Finding the Fourth Proportional to 43,236.96, 64,849.68 and 12,075.36

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Solution

The fourth proportional to 43,236.96, 64,849.68 and 12,075.36 is: 18,111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,236.96 : 64,849.68 = 12,075.36 : x
  2. Step 2: Convert to fraction form
    43,236.96/64,849.68 = 12,075.36/x
  3. Step 3: Cross multiply
    43,236.96x = 64,849.68 × 12,075.36
  4. Step 4: Simplify right side
    43,236.96x = 783,083,231.88
  5. Step 5: Solve for x
    x = 783,083,231.88/43,236.96
  6. Step 6: Final answer
    x = 18,111.43

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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.