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Finding the Fourth Proportional to 63,706, 95,579.16 and 28,648.72

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Solution

The fourth proportional to 63,706, 95,579.16 and 28,648.72 is: 42,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,706 : 95,579.16 = 28,648.72 : x
  2. Step 2: Convert to fraction form
    63,706/95,579.16 = 28,648.72/x
  3. Step 3: Cross multiply
    63,706x = 95,579.16 × 28,648.72
  4. Step 4: Simplify right side
    63,706x = 2,738,220,592.68
  5. Step 5: Solve for x
    x = 2,738,220,592.68/63,706
  6. Step 6: Final answer
    x = 42,982.15

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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.