Home / 54,187.94-74,613.20-47,435.78

Finding the Fourth Proportional to 54,187.94, 74,613.20 and 47,435.78

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Solution

The fourth proportional to 54,187.94, 74,613.20 and 47,435.78 is: 65,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.94 : 74,613.20 = 47,435.78 : x
  2. Step 2: Convert to fraction form
    54,187.94/74,613.20 = 47,435.78/x
  3. Step 3: Cross multiply
    54,187.94x = 74,613.20 × 47,435.78
  4. Step 4: Simplify right side
    54,187.94x = 3,539,335,340.30
  5. Step 5: Solve for x
    x = 3,539,335,340.30/54,187.94
  6. Step 6: Final answer
    x = 65,315.92

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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.