Home / 43,327.41-64,994.81-12,162.66

Finding the Fourth Proportional to 43,327.41, 64,994.81 and 12,162.66

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Solution

The fourth proportional to 43,327.41, 64,994.81 and 12,162.66 is: 18,245.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,327.41 : 64,994.81 = 12,162.66 : x
  2. Step 2: Convert to fraction form
    43,327.41/64,994.81 = 12,162.66/x
  3. Step 3: Cross multiply
    43,327.41x = 64,994.81 × 12,162.66
  4. Step 4: Simplify right side
    43,327.41x = 790,509,471.25
  5. Step 5: Solve for x
    x = 790,509,471.25/43,327.41
  6. Step 6: Final answer
    x = 18,245.02

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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.