Home / 72,905.37-100,609.41-41,074.26

Finding the Fourth Proportional to 72,905.37, 100,609.41 and 41,074.26

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Solution

The fourth proportional to 72,905.37, 100,609.41 and 41,074.26 is: 56,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,905.37 : 100,609.41 = 41,074.26 : x
  2. Step 2: Convert to fraction form
    72,905.37/100,609.41 = 41,074.26/x
  3. Step 3: Cross multiply
    72,905.37x = 100,609.41 × 41,074.26
  4. Step 4: Simplify right side
    72,905.37x = 4,132,457,064.79
  5. Step 5: Solve for x
    x = 4,132,457,064.79/72,905.37
  6. Step 6: Final answer
    x = 56,682.48

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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.