Home / 84,781.73-117,004.31-48,973.25

Finding the Fourth Proportional to 84,781.73, 117,004.31 and 48,973.25

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Solution

The fourth proportional to 84,781.73, 117,004.31 and 48,973.25 is: 67,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,781.73 : 117,004.31 = 48,973.25 : x
  2. Step 2: Convert to fraction form
    84,781.73/117,004.31 = 48,973.25/x
  3. Step 3: Cross multiply
    84,781.73x = 117,004.31 × 48,973.25
  4. Step 4: Simplify right side
    84,781.73x = 5,730,080,862.12
  5. Step 5: Solve for x
    x = 5,730,080,862.12/84,781.73
  6. Step 6: Final answer
    x = 67,586.27

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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.