Home / 53,149.26-79,723.98-49,901.56

Finding the Fourth Proportional to 53,149.26, 79,723.98 and 49,901.56

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Solution

The fourth proportional to 53,149.26, 79,723.98 and 49,901.56 is: 74,852.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,149.26 : 79,723.98 = 49,901.56 : x
  2. Step 2: Convert to fraction form
    53,149.26/79,723.98 = 49,901.56/x
  3. Step 3: Cross multiply
    53,149.26x = 79,723.98 × 49,901.56
  4. Step 4: Simplify right side
    53,149.26x = 3,978,351,096.16
  5. Step 5: Solve for x
    x = 3,978,351,096.16/53,149.26
  6. Step 6: Final answer
    x = 74,852.43

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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.