Home / 90,886.73-136,325.31-27,705.33

Finding the Fourth Proportional to 90,886.73, 136,325.31 and 27,705.33

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Solution

The fourth proportional to 90,886.73, 136,325.31 and 27,705.33 is: 41,556.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,886.73 : 136,325.31 = 27,705.33 : x
  2. Step 2: Convert to fraction form
    90,886.73/136,325.31 = 27,705.33/x
  3. Step 3: Cross multiply
    90,886.73x = 136,325.31 × 27,705.33
  4. Step 4: Simplify right side
    90,886.73x = 3,776,937,700.90
  5. Step 5: Solve for x
    x = 3,776,937,700.90/90,886.73
  6. Step 6: Final answer
    x = 41,556.54

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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.