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Finding the Fourth Proportional to 71,663.48, 98,893.42 and 41,035.58

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Solution

The fourth proportional to 71,663.48, 98,893.42 and 41,035.58 is: 56,627.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,663.48 : 98,893.42 = 41,035.58 : x
  2. Step 2: Convert to fraction form
    71,663.48/98,893.42 = 41,035.58/x
  3. Step 3: Cross multiply
    71,663.48x = 98,893.42 × 41,035.58
  4. Step 4: Simplify right side
    71,663.48x = 4,058,148,148.24
  5. Step 5: Solve for x
    x = 4,058,148,148.24/71,663.48
  6. Step 6: Final answer
    x = 56,627.84

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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.