Home / 80,795.66-111,598.00-57,028.43

Finding the Fourth Proportional to 80,795.66, 111,598.00 and 57,028.43

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Solution

The fourth proportional to 80,795.66, 111,598.00 and 57,028.43 is: 78,769.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,795.66 : 111,598.00 = 57,028.43 : x
  2. Step 2: Convert to fraction form
    80,795.66/111,598.00 = 57,028.43/x
  3. Step 3: Cross multiply
    80,795.66x = 111,598.00 × 57,028.43
  4. Step 4: Simplify right side
    80,795.66x = 6,364,258,867.56
  5. Step 5: Solve for x
    x = 6,364,258,867.56/80,795.66
  6. Step 6: Final answer
    x = 78,769.82

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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.