Home / 116,838.87-161,237.44-63,123.72

Finding the Fourth Proportional to 116,838.87, 161,237.44 and 63,123.72

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Solution

The fourth proportional to 116,838.87, 161,237.44 and 63,123.72 is: 87,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,838.87 : 161,237.44 = 63,123.72 : x
  2. Step 2: Convert to fraction form
    116,838.87/161,237.44 = 63,123.72/x
  3. Step 3: Cross multiply
    116,838.87x = 161,237.44 × 63,123.72
  4. Step 4: Simplify right side
    116,838.87x = 10,177,907,016.08
  5. Step 5: Solve for x
    x = 10,177,907,016.08/116,838.87
  6. Step 6: Final answer
    x = 87,110.63

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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.