Home / 64,107.12-96,163.65-19,735.86

Finding the Fourth Proportional to 64,107.12, 96,163.65 and 19,735.86

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Solution

The fourth proportional to 64,107.12, 96,163.65 and 19,735.86 is: 29,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,107.12 : 96,163.65 = 19,735.86 : x
  2. Step 2: Convert to fraction form
    64,107.12/96,163.65 = 19,735.86/x
  3. Step 3: Cross multiply
    64,107.12x = 96,163.65 × 19,735.86
  4. Step 4: Simplify right side
    64,107.12x = 1,897,872,333.49
  5. Step 5: Solve for x
    x = 1,897,872,333.49/64,107.12
  6. Step 6: Final answer
    x = 29,604.70

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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.