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Finding the Fourth Proportional to 64,449.88, 96,663.30 and 41,006.68

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Solution

The fourth proportional to 64,449.88, 96,663.30 and 41,006.68 is: 61,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,449.88 : 96,663.30 = 41,006.68 : x
  2. Step 2: Convert to fraction form
    64,449.88/96,663.30 = 41,006.68/x
  3. Step 3: Cross multiply
    64,449.88x = 96,663.30 × 41,006.68
  4. Step 4: Simplify right side
    64,449.88x = 3,963,841,010.84
  5. Step 5: Solve for x
    x = 3,963,841,010.84/64,449.88
  6. Step 6: Final answer
    x = 61,502.69

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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.