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Finding the Fourth Proportional to 82,754.64, 114,201.63 and 45,028.89

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Solution

The fourth proportional to 82,754.64, 114,201.63 and 45,028.89 is: 62,139.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,754.64 : 114,201.63 = 45,028.89 : x
  2. Step 2: Convert to fraction form
    82,754.64/114,201.63 = 45,028.89/x
  3. Step 3: Cross multiply
    82,754.64x = 114,201.63 × 45,028.89
  4. Step 4: Simplify right side
    82,754.64x = 5,142,372,635.09
  5. Step 5: Solve for x
    x = 5,142,372,635.09/82,754.64
  6. Step 6: Final answer
    x = 62,139.99

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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.