Home / 83,918.97-115,804.75-48,084.06

Finding the Fourth Proportional to 83,918.97, 115,804.75 and 48,084.06

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Solution

The fourth proportional to 83,918.97, 115,804.75 and 48,084.06 is: 66,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,918.97 : 115,804.75 = 48,084.06 : x
  2. Step 2: Convert to fraction form
    83,918.97/115,804.75 = 48,084.06/x
  3. Step 3: Cross multiply
    83,918.97x = 115,804.75 × 48,084.06
  4. Step 4: Simplify right side
    83,918.97x = 5,568,362,547.29
  5. Step 5: Solve for x
    x = 5,568,362,547.29/83,918.97
  6. Step 6: Final answer
    x = 66,354.04

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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.