Home / 75,021.92-112,612.19-73,327.75

Finding the Fourth Proportional to 75,021.92, 112,612.19 and 73,327.75

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Solution

The fourth proportional to 75,021.92, 112,612.19 and 73,327.75 is: 110,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,021.92 : 112,612.19 = 73,327.75 : x
  2. Step 2: Convert to fraction form
    75,021.92/112,612.19 = 73,327.75/x
  3. Step 3: Cross multiply
    75,021.92x = 112,612.19 × 73,327.75
  4. Step 4: Simplify right side
    75,021.92x = 8,257,598,500.55
  5. Step 5: Solve for x
    x = 8,257,598,500.55/75,021.92
  6. Step 6: Final answer
    x = 110,069.15

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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.