Home / 70,388.96-97,136.66-40,183.76

Finding the Fourth Proportional to 70,388.96, 97,136.66 and 40,183.76

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Solution

The fourth proportional to 70,388.96, 97,136.66 and 40,183.76 is: 55,453.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,388.96 : 97,136.66 = 40,183.76 : x
  2. Step 2: Convert to fraction form
    70,388.96/97,136.66 = 40,183.76/x
  3. Step 3: Cross multiply
    70,388.96x = 97,136.66 × 40,183.76
  4. Step 4: Simplify right side
    70,388.96x = 3,903,316,575.94
  5. Step 5: Solve for x
    x = 3,903,316,575.94/70,388.96
  6. Step 6: Final answer
    x = 55,453.54

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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.