Home / 99,369.12-149,009.94-52,611.06

Finding the Fourth Proportional to 99,369.12, 149,009.94 and 52,611.06

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Solution

The fourth proportional to 99,369.12, 149,009.94 and 52,611.06 is: 78,893.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,369.12 : 149,009.94 = 52,611.06 : x
  2. Step 2: Convert to fraction form
    99,369.12/149,009.94 = 52,611.06/x
  3. Step 3: Cross multiply
    99,369.12x = 149,009.94 × 52,611.06
  4. Step 4: Simplify right side
    99,369.12x = 7,839,570,893.94
  5. Step 5: Solve for x
    x = 7,839,570,893.94/99,369.12
  6. Step 6: Final answer
    x = 78,893.43

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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.