Home / 81,792.36-112,873.94-45,982.06

Finding the Fourth Proportional to 81,792.36, 112,873.94 and 45,982.06

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Solution

The fourth proportional to 81,792.36, 112,873.94 and 45,982.06 is: 63,455.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,792.36 : 112,873.94 = 45,982.06 : x
  2. Step 2: Convert to fraction form
    81,792.36/112,873.94 = 45,982.06/x
  3. Step 3: Cross multiply
    81,792.36x = 112,873.94 × 45,982.06
  4. Step 4: Simplify right side
    81,792.36x = 5,190,176,281.52
  5. Step 5: Solve for x
    x = 5,190,176,281.52/81,792.36
  6. Step 6: Final answer
    x = 63,455.51

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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.