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Finding the Fourth Proportional to 56,274.48, 84,833.28 and 52,469.28

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Solution

The fourth proportional to 56,274.48, 84,833.28 and 52,469.28 is: 79,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,274.48 : 84,833.28 = 52,469.28 : x
  2. Step 2: Convert to fraction form
    56,274.48/84,833.28 = 52,469.28/x
  3. Step 3: Cross multiply
    56,274.48x = 84,833.28 × 52,469.28
  4. Step 4: Simplify right side
    56,274.48x = 4,451,141,121.64
  5. Step 5: Solve for x
    x = 4,451,141,121.64/56,274.48
  6. Step 6: Final answer
    x = 79,096.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.