Home / 109,919.43-151,684.25-62,173.58

Finding the Fourth Proportional to 109,919.43, 151,684.25 and 62,173.58

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Solution

The fourth proportional to 109,919.43, 151,684.25 and 62,173.58 is: 85,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,919.43 : 151,684.25 = 62,173.58 : x
  2. Step 2: Convert to fraction form
    109,919.43/151,684.25 = 62,173.58/x
  3. Step 3: Cross multiply
    109,919.43x = 151,684.25 × 62,173.58
  4. Step 4: Simplify right side
    109,919.43x = 9,430,751,782.83
  5. Step 5: Solve for x
    x = 9,430,751,782.83/109,919.43
  6. Step 6: Final answer
    x = 85,796.95

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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.