Home / 84,040.56-115,975.20-46,314

Finding the Fourth Proportional to 84,040.56, 115,975.20 and 46,314

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Solution

The fourth proportional to 84,040.56, 115,975.20 and 46,314 is: 63,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,040.56 : 115,975.20 = 46,314 : x
  2. Step 2: Convert to fraction form
    84,040.56/115,975.20 = 46,314/x
  3. Step 3: Cross multiply
    84,040.56x = 115,975.20 × 46,314
  4. Step 4: Simplify right side
    84,040.56x = 5,371,275,412.80
  5. Step 5: Solve for x
    x = 5,371,275,412.80/84,040.56
  6. Step 6: Final answer
    x = 63,912.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.