Home / 105,847.52-146,072.64-58,103.96

Finding the Fourth Proportional to 105,847.52, 146,072.64 and 58,103.96

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Solution

The fourth proportional to 105,847.52, 146,072.64 and 58,103.96 is: 80,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,847.52 : 146,072.64 = 58,103.96 : x
  2. Step 2: Convert to fraction form
    105,847.52/146,072.64 = 58,103.96/x
  3. Step 3: Cross multiply
    105,847.52x = 146,072.64 × 58,103.96
  4. Step 4: Simplify right side
    105,847.52x = 8,487,398,831.65
  5. Step 5: Solve for x
    x = 8,487,398,831.65/105,847.52
  6. Step 6: Final answer
    x = 80,185.15

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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.