Home / 124,223.75-186,365.33-39,991.77

Finding the Fourth Proportional to 124,223.75, 186,365.33 and 39,991.77

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Solution

The fourth proportional to 124,223.75, 186,365.33 and 39,991.77 is: 59,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,223.75 : 186,365.33 = 39,991.77 : x
  2. Step 2: Convert to fraction form
    124,223.75/186,365.33 = 39,991.77/x
  3. Step 3: Cross multiply
    124,223.75x = 186,365.33 × 39,991.77
  4. Step 4: Simplify right side
    124,223.75x = 7,453,079,213.38
  5. Step 5: Solve for x
    x = 7,453,079,213.38/124,223.75
  6. Step 6: Final answer
    x = 59,997.22

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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.