Home / 105,791.46-145,994.60-58,044.66

Finding the Fourth Proportional to 105,791.46, 145,994.60 and 58,044.66

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Solution

The fourth proportional to 105,791.46, 145,994.60 and 58,044.66 is: 80,102.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,791.46 : 145,994.60 = 58,044.66 : x
  2. Step 2: Convert to fraction form
    105,791.46/145,994.60 = 58,044.66/x
  3. Step 3: Cross multiply
    105,791.46x = 145,994.60 × 58,044.66
  4. Step 4: Simplify right side
    105,791.46x = 8,474,206,918.84
  5. Step 5: Solve for x
    x = 8,474,206,918.84/105,791.46
  6. Step 6: Final answer
    x = 80,102.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.