Home / 54,336.53-81,109.02-50,329.78

Finding the Fourth Proportional to 54,336.53, 81,109.02 and 50,329.78

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Solution

The fourth proportional to 54,336.53, 81,109.02 and 50,329.78 is: 75,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,336.53 : 81,109.02 = 50,329.78 : x
  2. Step 2: Convert to fraction form
    54,336.53/81,109.02 = 50,329.78/x
  3. Step 3: Cross multiply
    54,336.53x = 81,109.02 × 50,329.78
  4. Step 4: Simplify right side
    54,336.53x = 4,082,199,132.62
  5. Step 5: Solve for x
    x = 4,082,199,132.62/54,336.53
  6. Step 6: Final answer
    x = 75,128.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.