Home / 43,231.62-64,848.63-12,066.84

Finding the Fourth Proportional to 43,231.62, 64,848.63 and 12,066.84

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Solution

The fourth proportional to 43,231.62, 64,848.63 and 12,066.84 is: 18,100.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,231.62 : 64,848.63 = 12,066.84 : x
  2. Step 2: Convert to fraction form
    43,231.62/64,848.63 = 12,066.84/x
  3. Step 3: Cross multiply
    43,231.62x = 64,848.63 × 12,066.84
  4. Step 4: Simplify right side
    43,231.62x = 782,518,042.43
  5. Step 5: Solve for x
    x = 782,518,042.43/43,231.62
  6. Step 6: Final answer
    x = 18,100.59

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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.