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Finding the Fourth Proportional to 95,871.44, 143,807.54 and 29,311.28

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Solution

The fourth proportional to 95,871.44, 143,807.54 and 29,311.28 is: 43,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,871.44 : 143,807.54 = 29,311.28 : x
  2. Step 2: Convert to fraction form
    95,871.44/143,807.54 = 29,311.28/x
  3. Step 3: Cross multiply
    95,871.44x = 143,807.54 × 29,311.28
  4. Step 4: Simplify right side
    95,871.44x = 4,215,183,071.05
  5. Step 5: Solve for x
    x = 4,215,183,071.05/95,871.44
  6. Step 6: Final answer
    x = 43,967.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.