Home / 78,768.16-108,696.26-46,936.36

Finding the Fourth Proportional to 78,768.16, 108,696.26 and 46,936.36

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Solution

The fourth proportional to 78,768.16, 108,696.26 and 46,936.36 is: 64,769.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,768.16 : 108,696.26 = 46,936.36 : x
  2. Step 2: Convert to fraction form
    78,768.16/108,696.26 = 46,936.36/x
  3. Step 3: Cross multiply
    78,768.16x = 108,696.26 × 46,936.36
  4. Step 4: Simplify right side
    78,768.16x = 5,101,806,790.01
  5. Step 5: Solve for x
    x = 5,101,806,790.01/78,768.16
  6. Step 6: Final answer
    x = 64,769.91

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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.