Home / 73,080.60-109,573.92-28,712.04

Finding the Fourth Proportional to 73,080.60, 109,573.92 and 28,712.04

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Solution

The fourth proportional to 73,080.60, 109,573.92 and 28,712.04 is: 43,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,080.60 : 109,573.92 = 28,712.04 : x
  2. Step 2: Convert to fraction form
    73,080.60/109,573.92 = 28,712.04/x
  3. Step 3: Cross multiply
    73,080.60x = 109,573.92 × 28,712.04
  4. Step 4: Simplify right side
    73,080.60x = 3,146,090,774.00
  5. Step 5: Solve for x
    x = 3,146,090,774.00/73,080.60
  6. Step 6: Final answer
    x = 43,049.60

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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.