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Finding the Fourth Proportional to 64,688.97, 97,002.73 and 22,563.94

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Solution

The fourth proportional to 64,688.97, 97,002.73 and 22,563.94 is: 33,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,688.97 : 97,002.73 = 22,563.94 : x
  2. Step 2: Convert to fraction form
    64,688.97/97,002.73 = 22,563.94/x
  3. Step 3: Cross multiply
    64,688.97x = 97,002.73 × 22,563.94
  4. Step 4: Simplify right side
    64,688.97x = 2,188,763,779.56
  5. Step 5: Solve for x
    x = 2,188,763,779.56/64,688.97
  6. Step 6: Final answer
    x = 33,835.19

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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.