Home / 76,078.67-104,983.97-45,873.77

Finding the Fourth Proportional to 76,078.67, 104,983.97 and 45,873.77

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Solution

The fourth proportional to 76,078.67, 104,983.97 and 45,873.77 is: 63,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,078.67 : 104,983.97 = 45,873.77 : x
  2. Step 2: Convert to fraction form
    76,078.67/104,983.97 = 45,873.77/x
  3. Step 3: Cross multiply
    76,078.67x = 104,983.97 × 45,873.77
  4. Step 4: Simplify right side
    76,078.67x = 4,816,009,739.18
  5. Step 5: Solve for x
    x = 4,816,009,739.18/76,078.67
  6. Step 6: Final answer
    x = 63,303.03

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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.