Home / 83,797.10-115,664.54-49,829.51

Finding the Fourth Proportional to 83,797.10, 115,664.54 and 49,829.51

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Solution

The fourth proportional to 83,797.10, 115,664.54 and 49,829.51 is: 68,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,797.10 : 115,664.54 = 49,829.51 : x
  2. Step 2: Convert to fraction form
    83,797.10/115,664.54 = 49,829.51/x
  3. Step 3: Cross multiply
    83,797.10x = 115,664.54 × 49,829.51
  4. Step 4: Simplify right side
    83,797.10x = 5,763,507,532.10
  5. Step 5: Solve for x
    x = 5,763,507,532.10/83,797.10
  6. Step 6: Final answer
    x = 68,779.32

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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.