Home / 71,094.11-106,640.82-18,503.51

Finding the Fourth Proportional to 71,094.11, 106,640.82 and 18,503.51

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Solution

The fourth proportional to 71,094.11, 106,640.82 and 18,503.51 is: 27,755.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,094.11 : 106,640.82 = 18,503.51 : x
  2. Step 2: Convert to fraction form
    71,094.11/106,640.82 = 18,503.51/x
  3. Step 3: Cross multiply
    71,094.11x = 106,640.82 × 18,503.51
  4. Step 4: Simplify right side
    71,094.11x = 1,973,228,946.07
  5. Step 5: Solve for x
    x = 1,973,228,946.07/71,094.11
  6. Step 6: Final answer
    x = 27,755.17

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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.