Home / 109,673.73-151,356.60-66,683.52

Finding the Fourth Proportional to 109,673.73, 151,356.60 and 66,683.52

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Solution

The fourth proportional to 109,673.73, 151,356.60 and 66,683.52 is: 92,027.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,673.73 : 151,356.60 = 66,683.52 : x
  2. Step 2: Convert to fraction form
    109,673.73/151,356.60 = 66,683.52/x
  3. Step 3: Cross multiply
    109,673.73x = 151,356.60 × 66,683.52
  4. Step 4: Simplify right side
    109,673.73x = 10,092,990,863.23
  5. Step 5: Solve for x
    x = 10,092,990,863.23/109,673.73
  6. Step 6: Final answer
    x = 92,027.42

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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.