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Finding the Fourth Proportional to 64,765.07, 97,157.17 and 33,192.99

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Solution

The fourth proportional to 64,765.07, 97,157.17 and 33,192.99 is: 49,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,765.07 : 97,157.17 = 33,192.99 : x
  2. Step 2: Convert to fraction form
    64,765.07/97,157.17 = 33,192.99/x
  3. Step 3: Cross multiply
    64,765.07x = 97,157.17 × 33,192.99
  4. Step 4: Simplify right side
    64,765.07x = 3,224,937,013.73
  5. Step 5: Solve for x
    x = 3,224,937,013.73/64,765.07
  6. Step 6: Final answer
    x = 49,794.39

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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.