Home / 54,979.26-82,493.48-31,605.72

Finding the Fourth Proportional to 54,979.26, 82,493.48 and 31,605.72

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Solution

The fourth proportional to 54,979.26, 82,493.48 and 31,605.72 is: 47,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,979.26 : 82,493.48 = 31,605.72 : x
  2. Step 2: Convert to fraction form
    54,979.26/82,493.48 = 31,605.72/x
  3. Step 3: Cross multiply
    54,979.26x = 82,493.48 × 31,605.72
  4. Step 4: Simplify right side
    54,979.26x = 2,607,265,830.71
  5. Step 5: Solve for x
    x = 2,607,265,830.71/54,979.26
  6. Step 6: Final answer
    x = 47,422.72

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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.