Home / 104,958.48-144,844.38-57,211.86

Finding the Fourth Proportional to 104,958.48, 144,844.38 and 57,211.86

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Solution

The fourth proportional to 104,958.48, 144,844.38 and 57,211.86 is: 78,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,958.48 : 144,844.38 = 57,211.86 : x
  2. Step 2: Convert to fraction form
    104,958.48/144,844.38 = 57,211.86/x
  3. Step 3: Cross multiply
    104,958.48x = 144,844.38 × 57,211.86
  4. Step 4: Simplify right side
    104,958.48x = 8,286,816,390.35
  5. Step 5: Solve for x
    x = 8,286,816,390.35/104,958.48
  6. Step 6: Final answer
    x = 78,953.28

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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.