Home / 72,286.36-108,466.60-34,878.33

Finding the Fourth Proportional to 72,286.36, 108,466.60 and 34,878.33

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Solution

The fourth proportional to 72,286.36, 108,466.60 and 34,878.33 is: 52,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,286.36 : 108,466.60 = 34,878.33 : x
  2. Step 2: Convert to fraction form
    72,286.36/108,466.60 = 34,878.33/x
  3. Step 3: Cross multiply
    72,286.36x = 108,466.60 × 34,878.33
  4. Step 4: Simplify right side
    72,286.36x = 3,783,133,781.58
  5. Step 5: Solve for x
    x = 3,783,133,781.58/72,286.36
  6. Step 6: Final answer
    x = 52,335.38

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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.