Home / 43,664.36-65,496.36-12,499.61

Finding the Fourth Proportional to 43,664.36, 65,496.36 and 12,499.61

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Solution

The fourth proportional to 43,664.36, 65,496.36 and 12,499.61 is: 18,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,664.36 : 65,496.36 = 12,499.61 : x
  2. Step 2: Convert to fraction form
    43,664.36/65,496.36 = 12,499.61/x
  3. Step 3: Cross multiply
    43,664.36x = 65,496.36 × 12,499.61
  4. Step 4: Simplify right side
    43,664.36x = 818,678,956.42
  5. Step 5: Solve for x
    x = 818,678,956.42/43,664.36
  6. Step 6: Final answer
    x = 18,749.36

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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.