Home / 78,844.06-108,804.36-43,033.96

Finding the Fourth Proportional to 78,844.06, 108,804.36 and 43,033.96

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Solution

The fourth proportional to 78,844.06, 108,804.36 and 43,033.96 is: 59,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,844.06 : 108,804.36 = 43,033.96 : x
  2. Step 2: Convert to fraction form
    78,844.06/108,804.36 = 43,033.96/x
  3. Step 3: Cross multiply
    78,844.06x = 108,804.36 × 43,033.96
  4. Step 4: Simplify right side
    78,844.06x = 4,682,282,476.07
  5. Step 5: Solve for x
    x = 4,682,282,476.07/78,844.06
  6. Step 6: Final answer
    x = 59,386.62

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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.