Home / 271,355.10-407,052.09-71,673.50

Finding the Fourth Proportional to 271,355.10, 407,052.09 and 71,673.50

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Solution

The fourth proportional to 271,355.10, 407,052.09 and 71,673.50 is: 107,515.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,355.10 : 407,052.09 = 71,673.50 : x
  2. Step 2: Convert to fraction form
    271,355.10/407,052.09 = 71,673.50/x
  3. Step 3: Cross multiply
    271,355.10x = 407,052.09 × 71,673.50
  4. Step 4: Simplify right side
    271,355.10x = 29,174,845,937.35
  5. Step 5: Solve for x
    x = 29,174,845,937.35/271,355.10
  6. Step 6: Final answer
    x = 107,515.38

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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.