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Finding the Fourth Proportional to 95,388.84, 143,084.34 and 28,829.52

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Solution

The fourth proportional to 95,388.84, 143,084.34 and 28,829.52 is: 43,244.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,388.84 : 143,084.34 = 28,829.52 : x
  2. Step 2: Convert to fraction form
    95,388.84/143,084.34 = 28,829.52/x
  3. Step 3: Cross multiply
    95,388.84x = 143,084.34 × 28,829.52
  4. Step 4: Simplify right side
    95,388.84x = 4,125,052,841.72
  5. Step 5: Solve for x
    x = 4,125,052,841.72/95,388.84
  6. Step 6: Final answer
    x = 43,244.61

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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.