Home / 69,207.35-103,811.03-39,604.25

Finding the Fourth Proportional to 69,207.35, 103,811.03 and 39,604.25

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Solution

The fourth proportional to 69,207.35, 103,811.03 and 39,604.25 is: 59,406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,207.35 : 103,811.03 = 39,604.25 : x
  2. Step 2: Convert to fraction form
    69,207.35/103,811.03 = 39,604.25/x
  3. Step 3: Cross multiply
    69,207.35x = 103,811.03 × 39,604.25
  4. Step 4: Simplify right side
    69,207.35x = 4,111,357,984.88
  5. Step 5: Solve for x
    x = 4,111,357,984.88/69,207.35
  6. Step 6: Final answer
    x = 59,406.38

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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.