Home / 81,930.06-113,062.23-46,119.96

Finding the Fourth Proportional to 81,930.06, 113,062.23 and 46,119.96

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Solution

The fourth proportional to 81,930.06, 113,062.23 and 46,119.96 is: 63,644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,930.06 : 113,062.23 = 46,119.96 : x
  2. Step 2: Convert to fraction form
    81,930.06/113,062.23 = 46,119.96/x
  3. Step 3: Cross multiply
    81,930.06x = 113,062.23 × 46,119.96
  4. Step 4: Simplify right side
    81,930.06x = 5,214,425,525.11
  5. Step 5: Solve for x
    x = 5,214,425,525.11/81,930.06
  6. Step 6: Final answer
    x = 63,644.84

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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.