Home / 43,285.23-64,933.34-13,692.38

Finding the Fourth Proportional to 43,285.23, 64,933.34 and 13,692.38

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Solution

The fourth proportional to 43,285.23, 64,933.34 and 13,692.38 is: 20,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,285.23 : 64,933.34 = 13,692.38 : x
  2. Step 2: Convert to fraction form
    43,285.23/64,933.34 = 13,692.38/x
  3. Step 3: Cross multiply
    43,285.23x = 64,933.34 × 13,692.38
  4. Step 4: Simplify right side
    43,285.23x = 889,091,572.82
  5. Step 5: Solve for x
    x = 889,091,572.82/43,285.23
  6. Step 6: Final answer
    x = 20,540.30

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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.