Home / 271,061.90-406,612.84-71,380.92

Finding the Fourth Proportional to 271,061.90, 406,612.84 and 71,380.92

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Solution

The fourth proportional to 271,061.90, 406,612.84 and 71,380.92 is: 107,076.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,061.90 : 406,612.84 = 71,380.92 : x
  2. Step 2: Convert to fraction form
    271,061.90/406,612.84 = 71,380.92/x
  3. Step 3: Cross multiply
    271,061.90x = 406,612.84 × 71,380.92
  4. Step 4: Simplify right side
    271,061.90x = 29,024,398,603.01
  5. Step 5: Solve for x
    x = 29,024,398,603.01/271,061.90
  6. Step 6: Final answer
    x = 107,076.64

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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.