Home / 84,040.69-115,976.16-46,314.94

Finding the Fourth Proportional to 84,040.69, 115,976.16 and 46,314.94

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Solution

The fourth proportional to 84,040.69, 115,976.16 and 46,314.94 is: 63,914.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,040.69 : 115,976.16 = 46,314.94 : x
  2. Step 2: Convert to fraction form
    84,040.69/115,976.16 = 46,314.94/x
  3. Step 3: Cross multiply
    84,040.69x = 115,976.16 × 46,314.94
  4. Step 4: Simplify right side
    84,040.69x = 5,371,428,660.26
  5. Step 5: Solve for x
    x = 5,371,428,660.26/84,040.69
  6. Step 6: Final answer
    x = 63,914.62

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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.