Home / 72,905.36-100,609.42-41,074.26

Finding the Fourth Proportional to 72,905.36, 100,609.42 and 41,074.26

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Solution

The fourth proportional to 72,905.36, 100,609.42 and 41,074.26 is: 56,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,905.36 : 100,609.42 = 41,074.26 : x
  2. Step 2: Convert to fraction form
    72,905.36/100,609.42 = 41,074.26/x
  3. Step 3: Cross multiply
    72,905.36x = 100,609.42 × 41,074.26
  4. Step 4: Simplify right side
    72,905.36x = 4,132,457,475.53
  5. Step 5: Solve for x
    x = 4,132,457,475.53/72,905.36
  6. Step 6: Final answer
    x = 56,682.49

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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.