Home / 50,090.26-69,124.45-28,869.38

Finding the Fourth Proportional to 50,090.26, 69,124.45 and 28,869.38

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Solution

The fourth proportional to 50,090.26, 69,124.45 and 28,869.38 is: 39,839.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,090.26 : 69,124.45 = 28,869.38 : x
  2. Step 2: Convert to fraction form
    50,090.26/69,124.45 = 28,869.38/x
  3. Step 3: Cross multiply
    50,090.26x = 69,124.45 × 28,869.38
  4. Step 4: Simplify right side
    50,090.26x = 1,995,580,014.34
  5. Step 5: Solve for x
    x = 1,995,580,014.34/50,090.26
  6. Step 6: Final answer
    x = 39,839.68

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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.