Home / 74,212.00-111,133.42-51,921

Finding the Fourth Proportional to 74,212.00, 111,133.42 and 51,921

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Solution

The fourth proportional to 74,212.00, 111,133.42 and 51,921 is: 77,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,212.00 : 111,133.42 = 51,921 : x
  2. Step 2: Convert to fraction form
    74,212.00/111,133.42 = 51,921/x
  3. Step 3: Cross multiply
    74,212.00x = 111,133.42 × 51,921
  4. Step 4: Simplify right side
    74,212.00x = 5,770,158,170.02
  5. Step 5: Solve for x
    x = 5,770,158,170.02/74,212.00
  6. Step 6: Final answer
    x = 77,752.36

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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.