Home / 84,039.25-115,976.60-46,315.93

Finding the Fourth Proportional to 84,039.25, 115,976.60 and 46,315.93

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Solution

The fourth proportional to 84,039.25, 115,976.60 and 46,315.93 is: 63,917.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,039.25 : 115,976.60 = 46,315.93 : x
  2. Step 2: Convert to fraction form
    84,039.25/115,976.60 = 46,315.93/x
  3. Step 3: Cross multiply
    84,039.25x = 115,976.60 × 46,315.93
  4. Step 4: Simplify right side
    84,039.25x = 5,371,564,087.24
  5. Step 5: Solve for x
    x = 5,371,564,087.24/84,039.25
  6. Step 6: Final answer
    x = 63,917.33

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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.