Home / 70,511.25-105,857.04-60,579.54

Finding the Fourth Proportional to 70,511.25, 105,857.04 and 60,579.54

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Solution

The fourth proportional to 70,511.25, 105,857.04 and 60,579.54 is: 90,946.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,511.25 : 105,857.04 = 60,579.54 : x
  2. Step 2: Convert to fraction form
    70,511.25/105,857.04 = 60,579.54/x
  3. Step 3: Cross multiply
    70,511.25x = 105,857.04 × 60,579.54
  4. Step 4: Simplify right side
    70,511.25x = 6,412,770,788.96
  5. Step 5: Solve for x
    x = 6,412,770,788.96/70,511.25
  6. Step 6: Final answer
    x = 90,946.78

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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.