Home / 86,969.22-130,466.15-27,791.06

Finding the Fourth Proportional to 86,969.22, 130,466.15 and 27,791.06

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Solution

The fourth proportional to 86,969.22, 130,466.15 and 27,791.06 is: 41,690.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,969.22 : 130,466.15 = 27,791.06 : x
  2. Step 2: Convert to fraction form
    86,969.22/130,466.15 = 27,791.06/x
  3. Step 3: Cross multiply
    86,969.22x = 130,466.15 × 27,791.06
  4. Step 4: Simplify right side
    86,969.22x = 3,625,791,811.33
  5. Step 5: Solve for x
    x = 3,625,791,811.33/86,969.22
  6. Step 6: Final answer
    x = 41,690.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.