Home / 114,021.06-171,040.25-39,140.61

Finding the Fourth Proportional to 114,021.06, 171,040.25 and 39,140.61

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Solution

The fourth proportional to 114,021.06, 171,040.25 and 39,140.61 is: 58,713.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,021.06 : 171,040.25 = 39,140.61 : x
  2. Step 2: Convert to fraction form
    114,021.06/171,040.25 = 39,140.61/x
  3. Step 3: Cross multiply
    114,021.06x = 171,040.25 × 39,140.61
  4. Step 4: Simplify right side
    114,021.06x = 6,694,619,719.55
  5. Step 5: Solve for x
    x = 6,694,619,719.55/114,021.06
  6. Step 6: Final answer
    x = 58,713.89

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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.