Home / 73,272.24-109,976.40-28,929.60

Finding the Fourth Proportional to 73,272.24, 109,976.40 and 28,929.60

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Solution

The fourth proportional to 73,272.24, 109,976.40 and 28,929.60 is: 43,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,272.24 : 109,976.40 = 28,929.60 : x
  2. Step 2: Convert to fraction form
    73,272.24/109,976.40 = 28,929.60/x
  3. Step 3: Cross multiply
    73,272.24x = 109,976.40 × 28,929.60
  4. Step 4: Simplify right side
    73,272.24x = 3,181,573,261.44
  5. Step 5: Solve for x
    x = 3,181,573,261.44/73,272.24
  6. Step 6: Final answer
    x = 43,421.26

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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.