Home / 115,981.03-173,999.22-41,107.72

Finding the Fourth Proportional to 115,981.03, 173,999.22 and 41,107.72

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Solution

The fourth proportional to 115,981.03, 173,999.22 and 41,107.72 is: 61,671.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,981.03 : 173,999.22 = 41,107.72 : x
  2. Step 2: Convert to fraction form
    115,981.03/173,999.22 = 41,107.72/x
  3. Step 3: Cross multiply
    115,981.03x = 173,999.22 × 41,107.72
  4. Step 4: Simplify right side
    115,981.03x = 7,152,711,215.98
  5. Step 5: Solve for x
    x = 7,152,711,215.98/115,981.03
  6. Step 6: Final answer
    x = 61,671.39

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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.