Home / 106,121.64-146,398.86-63,606.36

Finding the Fourth Proportional to 106,121.64, 146,398.86 and 63,606.36

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Solution

The fourth proportional to 106,121.64, 146,398.86 and 63,606.36 is: 87,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,121.64 : 146,398.86 = 63,606.36 : x
  2. Step 2: Convert to fraction form
    106,121.64/146,398.86 = 63,606.36/x
  3. Step 3: Cross multiply
    106,121.64x = 146,398.86 × 63,606.36
  4. Step 4: Simplify right side
    106,121.64x = 9,311,898,592.75
  5. Step 5: Solve for x
    x = 9,311,898,592.75/106,121.64
  6. Step 6: Final answer
    x = 87,747.41

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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.