Home / 83,790.73-115,631.96-45,550.35

Finding the Fourth Proportional to 83,790.73, 115,631.96 and 45,550.35

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Solution

The fourth proportional to 83,790.73, 115,631.96 and 45,550.35 is: 62,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,790.73 : 115,631.96 = 45,550.35 : x
  2. Step 2: Convert to fraction form
    83,790.73/115,631.96 = 45,550.35/x
  3. Step 3: Cross multiply
    83,790.73x = 115,631.96 × 45,550.35
  4. Step 4: Simplify right side
    83,790.73x = 5,267,076,796.68
  5. Step 5: Solve for x
    x = 5,267,076,796.68/83,790.73
  6. Step 6: Final answer
    x = 62,859.90

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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.