Home / 73,204.32-109,707.96-28,819.14

Finding the Fourth Proportional to 73,204.32, 109,707.96 and 28,819.14

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Solution

The fourth proportional to 73,204.32, 109,707.96 and 28,819.14 is: 43,189.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,204.32 : 109,707.96 = 28,819.14 : x
  2. Step 2: Convert to fraction form
    73,204.32/109,707.96 = 28,819.14/x
  3. Step 3: Cross multiply
    73,204.32x = 109,707.96 × 28,819.14
  4. Step 4: Simplify right side
    73,204.32x = 3,161,689,058.35
  5. Step 5: Solve for x
    x = 3,161,689,058.35/73,204.32
  6. Step 6: Final answer
    x = 43,189.92

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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.