Home / 107,891.90-161,922.60-74,844.52

Finding the Fourth Proportional to 107,891.90, 161,922.60 and 74,844.52

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Solution

The fourth proportional to 107,891.90, 161,922.60 and 74,844.52 is: 112,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,891.90 : 161,922.60 = 74,844.52 : x
  2. Step 2: Convert to fraction form
    107,891.90/161,922.60 = 74,844.52/x
  3. Step 3: Cross multiply
    107,891.90x = 161,922.60 × 74,844.52
  4. Step 4: Simplify right side
    107,891.90x = 12,119,019,274.15
  5. Step 5: Solve for x
    x = 12,119,019,274.15/107,891.90
  6. Step 6: Final answer
    x = 112,325.57

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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.