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Finding the Fourth Proportional to 71,606.44, 98,800.98 and 43,311.52

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Solution

The fourth proportional to 71,606.44, 98,800.98 and 43,311.52 is: 59,760.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,606.44 : 98,800.98 = 43,311.52 : x
  2. Step 2: Convert to fraction form
    71,606.44/98,800.98 = 43,311.52/x
  3. Step 3: Cross multiply
    71,606.44x = 98,800.98 × 43,311.52
  4. Step 4: Simplify right side
    71,606.44x = 4,279,220,621.29
  5. Step 5: Solve for x
    x = 4,279,220,621.29/71,606.44
  6. Step 6: Final answer
    x = 59,760.28

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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.