Home / 84,005.92-125,968.38-30,696.04

Finding the Fourth Proportional to 84,005.92, 125,968.38 and 30,696.04

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Solution

The fourth proportional to 84,005.92, 125,968.38 and 30,696.04 is: 46,029.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,005.92 : 125,968.38 = 30,696.04 : x
  2. Step 2: Convert to fraction form
    84,005.92/125,968.38 = 30,696.04/x
  3. Step 3: Cross multiply
    84,005.92x = 125,968.38 × 30,696.04
  4. Step 4: Simplify right side
    84,005.92x = 3,866,730,431.22
  5. Step 5: Solve for x
    x = 3,866,730,431.22/84,005.92
  6. Step 6: Final answer
    x = 46,029.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.