Home / 87,192.07-120,361.62-58,936.03

Finding the Fourth Proportional to 87,192.07, 120,361.62 and 58,936.03

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Solution

The fourth proportional to 87,192.07, 120,361.62 and 58,936.03 is: 81,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,192.07 : 120,361.62 = 58,936.03 : x
  2. Step 2: Convert to fraction form
    87,192.07/120,361.62 = 58,936.03/x
  3. Step 3: Cross multiply
    87,192.07x = 120,361.62 × 58,936.03
  4. Step 4: Simplify right side
    87,192.07x = 7,093,636,047.17
  5. Step 5: Solve for x
    x = 7,093,636,047.17/87,192.07
  6. Step 6: Final answer
    x = 81,356.44

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1.5x scale

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.