Home / 105,922.62-146,112.19-63,456.55

Finding the Fourth Proportional to 105,922.62, 146,112.19 and 63,456.55

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Solution

The fourth proportional to 105,922.62, 146,112.19 and 63,456.55 is: 87,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,922.62 : 146,112.19 = 63,456.55 : x
  2. Step 2: Convert to fraction form
    105,922.62/146,112.19 = 63,456.55/x
  3. Step 3: Cross multiply
    105,922.62x = 146,112.19 × 63,456.55
  4. Step 4: Simplify right side
    105,922.62x = 9,271,774,759.78
  5. Step 5: Solve for x
    x = 9,271,774,759.78/105,922.62
  6. Step 6: Final answer
    x = 87,533.47

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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.