Home / 83,086.76-114,669.58-46,789.38

Finding the Fourth Proportional to 83,086.76, 114,669.58 and 46,789.38

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Solution

The fourth proportional to 83,086.76, 114,669.58 and 46,789.38 is: 64,574.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,086.76 : 114,669.58 = 46,789.38 : x
  2. Step 2: Convert to fraction form
    83,086.76/114,669.58 = 46,789.38/x
  3. Step 3: Cross multiply
    83,086.76x = 114,669.58 × 46,789.38
  4. Step 4: Simplify right side
    83,086.76x = 5,365,318,553.06
  5. Step 5: Solve for x
    x = 5,365,318,553.06/83,086.76
  6. Step 6: Final answer
    x = 64,574.89

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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.