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Finding the Fourth Proportional to 64,836.62, 97,216.02 and 25,346.66

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Solution

The fourth proportional to 64,836.62, 97,216.02 and 25,346.66 is: 38,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,836.62 : 97,216.02 = 25,346.66 : x
  2. Step 2: Convert to fraction form
    64,836.62/97,216.02 = 25,346.66/x
  3. Step 3: Cross multiply
    64,836.62x = 97,216.02 × 25,346.66
  4. Step 4: Simplify right side
    64,836.62x = 2,464,101,405.49
  5. Step 5: Solve for x
    x = 2,464,101,405.49/64,836.62
  6. Step 6: Final answer
    x = 38,004.78

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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.