Home / 105,794.56-145,999.18-58,047.89

Finding the Fourth Proportional to 105,794.56, 145,999.18 and 58,047.89

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Solution

The fourth proportional to 105,794.56, 145,999.18 and 58,047.89 is: 80,107.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,794.56 : 145,999.18 = 58,047.89 : x
  2. Step 2: Convert to fraction form
    105,794.56/145,999.18 = 58,047.89/x
  3. Step 3: Cross multiply
    105,794.56x = 145,999.18 × 58,047.89
  4. Step 4: Simplify right side
    105,794.56x = 8,474,944,340.73
  5. Step 5: Solve for x
    x = 8,474,944,340.73/105,794.56
  6. Step 6: Final answer
    x = 80,107.57

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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.