Home / 109,881.35-164,709.94-43,294.49

Finding the Fourth Proportional to 109,881.35, 164,709.94 and 43,294.49

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Solution

The fourth proportional to 109,881.35, 164,709.94 and 43,294.49 is: 64,897.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,881.35 : 164,709.94 = 43,294.49 : x
  2. Step 2: Convert to fraction form
    109,881.35/164,709.94 = 43,294.49/x
  3. Step 3: Cross multiply
    109,881.35x = 164,709.94 × 43,294.49
  4. Step 4: Simplify right side
    109,881.35x = 7,131,032,850.23
  5. Step 5: Solve for x
    x = 7,131,032,850.23/109,881.35
  6. Step 6: Final answer
    x = 64,897.57

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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.