Home / 50,047.03-75,107.40-40,303.90

Finding the Fourth Proportional to 50,047.03, 75,107.40 and 40,303.90

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Solution

The fourth proportional to 50,047.03, 75,107.40 and 40,303.90 is: 60,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,047.03 : 75,107.40 = 40,303.90 : x
  2. Step 2: Convert to fraction form
    50,047.03/75,107.40 = 40,303.90/x
  3. Step 3: Cross multiply
    50,047.03x = 75,107.40 × 40,303.90
  4. Step 4: Simplify right side
    50,047.03x = 3,027,121,138.86
  5. Step 5: Solve for x
    x = 3,027,121,138.86/50,047.03
  6. Step 6: Final answer
    x = 60,485.53

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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.