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Finding the Fourth Proportional to 64,725.88, 96,935.64 and 41,281.24

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Solution

The fourth proportional to 64,725.88, 96,935.64 and 41,281.24 is: 61,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,725.88 : 96,935.64 = 41,281.24 : x
  2. Step 2: Convert to fraction form
    64,725.88/96,935.64 = 41,281.24/x
  3. Step 3: Cross multiply
    64,725.88x = 96,935.64 × 41,281.24
  4. Step 4: Simplify right side
    64,725.88x = 4,001,623,419.39
  5. Step 5: Solve for x
    x = 4,001,623,419.39/64,725.88
  6. Step 6: Final answer
    x = 61,824.16

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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.