Home / 48,729.15-73,108.58-20,634.57

Finding the Fourth Proportional to 48,729.15, 73,108.58 and 20,634.57

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Solution

The fourth proportional to 48,729.15, 73,108.58 and 20,634.57 is: 30,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,729.15 : 73,108.58 = 20,634.57 : x
  2. Step 2: Convert to fraction form
    48,729.15/73,108.58 = 20,634.57/x
  3. Step 3: Cross multiply
    48,729.15x = 73,108.58 × 20,634.57
  4. Step 4: Simplify right side
    48,729.15x = 1,508,564,008.44
  5. Step 5: Solve for x
    x = 1,508,564,008.44/48,729.15
  6. Step 6: Final answer
    x = 30,958.14

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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.