Home / 57,028.66-78,698.01-31,883.02

Finding the Fourth Proportional to 57,028.66, 78,698.01 and 31,883.02

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Solution

The fourth proportional to 57,028.66, 78,698.01 and 31,883.02 is: 43,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,028.66 : 78,698.01 = 31,883.02 : x
  2. Step 2: Convert to fraction form
    57,028.66/78,698.01 = 31,883.02/x
  3. Step 3: Cross multiply
    57,028.66x = 78,698.01 × 31,883.02
  4. Step 4: Simplify right side
    57,028.66x = 2,509,130,226.79
  5. Step 5: Solve for x
    x = 2,509,130,226.79/57,028.66
  6. Step 6: Final answer
    x = 43,997.71

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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.