Home / 84,792.28-117,018.66-47,067.16

Finding the Fourth Proportional to 84,792.28, 117,018.66 and 47,067.16

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Solution

The fourth proportional to 84,792.28, 117,018.66 and 47,067.16 is: 64,955.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,792.28 : 117,018.66 = 47,067.16 : x
  2. Step 2: Convert to fraction form
    84,792.28/117,018.66 = 47,067.16/x
  3. Step 3: Cross multiply
    84,792.28x = 117,018.66 × 47,067.16
  4. Step 4: Simplify right side
    84,792.28x = 5,507,735,993.21
  5. Step 5: Solve for x
    x = 5,507,735,993.21/84,792.28
  6. Step 6: Final answer
    x = 64,955.63

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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.