Home / 72,205.05-108,233.73-27,814.41

Finding the Fourth Proportional to 72,205.05, 108,233.73 and 27,814.41

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Solution

The fourth proportional to 72,205.05, 108,233.73 and 27,814.41 is: 41,693.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,205.05 : 108,233.73 = 27,814.41 : x
  2. Step 2: Convert to fraction form
    72,205.05/108,233.73 = 27,814.41/x
  3. Step 3: Cross multiply
    72,205.05x = 108,233.73 × 27,814.41
  4. Step 4: Simplify right side
    72,205.05x = 3,010,457,342.05
  5. Step 5: Solve for x
    x = 3,010,457,342.05/72,205.05
  6. Step 6: Final answer
    x = 41,693.17

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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.