Home / 82,828.80-114,274.60-54,165.24

Finding the Fourth Proportional to 82,828.80, 114,274.60 and 54,165.24

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Solution

The fourth proportional to 82,828.80, 114,274.60 and 54,165.24 is: 74,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,828.80 : 114,274.60 = 54,165.24 : x
  2. Step 2: Convert to fraction form
    82,828.80/114,274.60 = 54,165.24/x
  3. Step 3: Cross multiply
    82,828.80x = 114,274.60 × 54,165.24
  4. Step 4: Simplify right side
    82,828.80x = 6,189,711,134.90
  5. Step 5: Solve for x
    x = 6,189,711,134.90/82,828.80
  6. Step 6: Final answer
    x = 74,728.97

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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.