Home / 69,080.20-103,634.70-39,473.80

Finding the Fourth Proportional to 69,080.20, 103,634.70 and 39,473.80

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Solution

The fourth proportional to 69,080.20, 103,634.70 and 39,473.80 is: 59,218.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,080.20 : 103,634.70 = 39,473.80 : x
  2. Step 2: Convert to fraction form
    69,080.20/103,634.70 = 39,473.80/x
  3. Step 3: Cross multiply
    69,080.20x = 103,634.70 × 39,473.80
  4. Step 4: Simplify right side
    69,080.20x = 4,090,855,420.86
  5. Step 5: Solve for x
    x = 4,090,855,420.86/69,080.20
  6. Step 6: Final answer
    x = 59,218.93

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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.