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Finding the Fourth Proportional to 64,662.21, 97,000.07 and 17,915.09

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Solution

The fourth proportional to 64,662.21, 97,000.07 and 17,915.09 is: 26,874.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,662.21 : 97,000.07 = 17,915.09 : x
  2. Step 2: Convert to fraction form
    64,662.21/97,000.07 = 17,915.09/x
  3. Step 3: Cross multiply
    64,662.21x = 97,000.07 × 17,915.09
  4. Step 4: Simplify right side
    64,662.21x = 1,737,764,409.48
  5. Step 5: Solve for x
    x = 1,737,764,409.48/64,662.21
  6. Step 6: Final answer
    x = 26,874.50

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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.