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Finding the Fourth Proportional to 64,894.26, 97,299.54 and 25,455.36

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Solution

The fourth proportional to 64,894.26, 97,299.54 and 25,455.36 is: 38,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,894.26 : 97,299.54 = 25,455.36 : x
  2. Step 2: Convert to fraction form
    64,894.26/97,299.54 = 25,455.36/x
  3. Step 3: Cross multiply
    64,894.26x = 97,299.54 × 25,455.36
  4. Step 4: Simplify right side
    64,894.26x = 2,476,794,818.53
  5. Step 5: Solve for x
    x = 2,476,794,818.53/64,894.26
  6. Step 6: Final answer
    x = 38,166.62

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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.