Home / 83,949.77-115,804.73-58,415.73

Finding the Fourth Proportional to 83,949.77, 115,804.73 and 58,415.73

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Solution

The fourth proportional to 83,949.77, 115,804.73 and 58,415.73 is: 80,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,949.77 : 115,804.73 = 58,415.73 : x
  2. Step 2: Convert to fraction form
    83,949.77/115,804.73 = 58,415.73/x
  3. Step 3: Cross multiply
    83,949.77x = 115,804.73 × 58,415.73
  4. Step 4: Simplify right side
    83,949.77x = 6,764,817,548.32
  5. Step 5: Solve for x
    x = 6,764,817,548.32/83,949.77
  6. Step 6: Final answer
    x = 80,581.73

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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.