Home / 62,804.23-86,603.31-40,144.21

Finding the Fourth Proportional to 62,804.23, 86,603.31 and 40,144.21

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Solution

The fourth proportional to 62,804.23, 86,603.31 and 40,144.21 is: 55,356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,804.23 : 86,603.31 = 40,144.21 : x
  2. Step 2: Convert to fraction form
    62,804.23/86,603.31 = 40,144.21/x
  3. Step 3: Cross multiply
    62,804.23x = 86,603.31 × 40,144.21
  4. Step 4: Simplify right side
    62,804.23x = 3,476,621,246.83
  5. Step 5: Solve for x
    x = 3,476,621,246.83/62,804.23
  6. Step 6: Final answer
    x = 55,356.48

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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.