Home / 69,380.18-95,740.03-39,159.60

Finding the Fourth Proportional to 69,380.18, 95,740.03 and 39,159.60

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Solution

The fourth proportional to 69,380.18, 95,740.03 and 39,159.60 is: 54,037.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,380.18 : 95,740.03 = 39,159.60 : x
  2. Step 2: Convert to fraction form
    69,380.18/95,740.03 = 39,159.60/x
  3. Step 3: Cross multiply
    69,380.18x = 95,740.03 × 39,159.60
  4. Step 4: Simplify right side
    69,380.18x = 3,749,141,286.98
  5. Step 5: Solve for x
    x = 3,749,141,286.98/69,380.18
  6. Step 6: Final answer
    x = 54,037.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.