Home / 73,182.05-109,809.96-28,840.62

Finding the Fourth Proportional to 73,182.05, 109,809.96 and 28,840.62

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Solution

The fourth proportional to 73,182.05, 109,809.96 and 28,840.62 is: 43,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,182.05 : 109,809.96 = 28,840.62 : x
  2. Step 2: Convert to fraction form
    73,182.05/109,809.96 = 28,840.62/x
  3. Step 3: Cross multiply
    73,182.05x = 109,809.96 × 28,840.62
  4. Step 4: Simplify right side
    73,182.05x = 3,166,987,328.58
  5. Step 5: Solve for x
    x = 3,166,987,328.58/73,182.05
  6. Step 6: Final answer
    x = 43,275.47

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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.