Home / 86,076.22-118,844.31-53,824.80

Finding the Fourth Proportional to 86,076.22, 118,844.31 and 53,824.80

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Solution

The fourth proportional to 86,076.22, 118,844.31 and 53,824.80 is: 74,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,076.22 : 118,844.31 = 53,824.80 : x
  2. Step 2: Convert to fraction form
    86,076.22/118,844.31 = 53,824.80/x
  3. Step 3: Cross multiply
    86,076.22x = 118,844.31 × 53,824.80
  4. Step 4: Simplify right side
    86,076.22x = 6,396,771,864.40
  5. Step 5: Solve for x
    x = 6,396,771,864.40/86,076.22
  6. Step 6: Final answer
    x = 74,315.20

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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.