Home / 43,173.23-64,763.40-12,008.48

Finding the Fourth Proportional to 43,173.23, 64,763.40 and 12,008.48

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Solution

The fourth proportional to 43,173.23, 64,763.40 and 12,008.48 is: 18,013.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,173.23 : 64,763.40 = 12,008.48 : x
  2. Step 2: Convert to fraction form
    43,173.23/64,763.40 = 12,008.48/x
  3. Step 3: Cross multiply
    43,173.23x = 64,763.40 × 12,008.48
  4. Step 4: Simplify right side
    43,173.23x = 777,709,993.63
  5. Step 5: Solve for x
    x = 777,709,993.63/43,173.23
  6. Step 6: Final answer
    x = 18,013.71

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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.