Home / 54,672.12-74,955.42-53,675.64

Finding the Fourth Proportional to 54,672.12, 74,955.42 and 53,675.64

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Solution

The fourth proportional to 54,672.12, 74,955.42 and 53,675.64 is: 73,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,672.12 : 74,955.42 = 53,675.64 : x
  2. Step 2: Convert to fraction form
    54,672.12/74,955.42 = 53,675.64/x
  3. Step 3: Cross multiply
    54,672.12x = 74,955.42 × 53,675.64
  4. Step 4: Simplify right side
    54,672.12x = 4,023,280,139.97
  5. Step 5: Solve for x
    x = 4,023,280,139.97/54,672.12
  6. Step 6: Final answer
    x = 73,589.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.