Home / 72,949.32-109,429.34-26,202.60

Finding the Fourth Proportional to 72,949.32, 109,429.34 and 26,202.60

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Solution

The fourth proportional to 72,949.32, 109,429.34 and 26,202.60 is: 39,305.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,949.32 : 109,429.34 = 26,202.60 : x
  2. Step 2: Convert to fraction form
    72,949.32/109,429.34 = 26,202.60/x
  3. Step 3: Cross multiply
    72,949.32x = 109,429.34 × 26,202.60
  4. Step 4: Simplify right side
    72,949.32x = 2,867,333,224.28
  5. Step 5: Solve for x
    x = 2,867,333,224.28/72,949.32
  6. Step 6: Final answer
    x = 39,305.83

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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.