Home / 54,900.06-75,757.92-31,028.96

Finding the Fourth Proportional to 54,900.06, 75,757.92 and 31,028.96

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Solution

The fourth proportional to 54,900.06, 75,757.92 and 31,028.96 is: 42,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,900.06 : 75,757.92 = 31,028.96 : x
  2. Step 2: Convert to fraction form
    54,900.06/75,757.92 = 31,028.96/x
  3. Step 3: Cross multiply
    54,900.06x = 75,757.92 × 31,028.96
  4. Step 4: Simplify right side
    54,900.06x = 2,350,689,090.57
  5. Step 5: Solve for x
    x = 2,350,689,090.57/54,900.06
  6. Step 6: Final answer
    x = 42,817.61

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1.5x scale

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.