Home / 48,745.32-73,107.45-20,656.14

Finding the Fourth Proportional to 48,745.32, 73,107.45 and 20,656.14

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Solution

The fourth proportional to 48,745.32, 73,107.45 and 20,656.14 is: 30,979.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,745.32 : 73,107.45 = 20,656.14 : x
  2. Step 2: Convert to fraction form
    48,745.32/73,107.45 = 20,656.14/x
  3. Step 3: Cross multiply
    48,745.32x = 73,107.45 × 20,656.14
  4. Step 4: Simplify right side
    48,745.32x = 1,510,117,722.24
  5. Step 5: Solve for x
    x = 1,510,117,722.24/48,745.32
  6. Step 6: Final answer
    x = 30,979.75

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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.