Home / 117,326.26-175,987.59-28,579.90

Finding the Fourth Proportional to 117,326.26, 175,987.59 and 28,579.90

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Solution

The fourth proportional to 117,326.26, 175,987.59 and 28,579.90 is: 42,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,326.26 : 175,987.59 = 28,579.90 : x
  2. Step 2: Convert to fraction form
    117,326.26/175,987.59 = 28,579.90/x
  3. Step 3: Cross multiply
    117,326.26x = 175,987.59 × 28,579.90
  4. Step 4: Simplify right side
    117,326.26x = 5,029,707,723.44
  5. Step 5: Solve for x
    x = 5,029,707,723.44/117,326.26
  6. Step 6: Final answer
    x = 42,869.41

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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.