Home / 114,418.89-171,586.22-39,519.81

Finding the Fourth Proportional to 114,418.89, 171,586.22 and 39,519.81

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Solution

The fourth proportional to 114,418.89, 171,586.22 and 39,519.81 is: 59,265.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,418.89 : 171,586.22 = 39,519.81 : x
  2. Step 2: Convert to fraction form
    114,418.89/171,586.22 = 39,519.81/x
  3. Step 3: Cross multiply
    114,418.89x = 171,586.22 × 39,519.81
  4. Step 4: Simplify right side
    114,418.89x = 6,781,054,615.42
  5. Step 5: Solve for x
    x = 6,781,054,615.42/114,418.89
  6. Step 6: Final answer
    x = 59,265.17

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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.