Home / 83,918.47-115,804.07-48,083.56

Finding the Fourth Proportional to 83,918.47, 115,804.07 and 48,083.56

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Solution

The fourth proportional to 83,918.47, 115,804.07 and 48,083.56 is: 66,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,918.47 : 115,804.07 = 48,083.56 : x
  2. Step 2: Convert to fraction form
    83,918.47/115,804.07 = 48,083.56/x
  3. Step 3: Cross multiply
    83,918.47x = 115,804.07 × 48,083.56
  4. Step 4: Simplify right side
    83,918.47x = 5,568,271,128.65
  5. Step 5: Solve for x
    x = 5,568,271,128.65/83,918.47
  6. Step 6: Final answer
    x = 66,353.35

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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.