Home / 99,361.12-148,997.94-52,603.06

Finding the Fourth Proportional to 99,361.12, 148,997.94 and 52,603.06

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Solution

The fourth proportional to 99,361.12, 148,997.94 and 52,603.06 is: 78,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,361.12 : 148,997.94 = 52,603.06 : x
  2. Step 2: Convert to fraction form
    99,361.12/148,997.94 = 52,603.06/x
  3. Step 3: Cross multiply
    99,361.12x = 148,997.94 × 52,603.06
  4. Step 4: Simplify right side
    99,361.12x = 7,837,747,577.70
  5. Step 5: Solve for x
    x = 7,837,747,577.70/99,361.12
  6. Step 6: Final answer
    x = 78,881.43

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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.