Home / 50,004.20-75,006.30-45,165.80

Finding the Fourth Proportional to 50,004.20, 75,006.30 and 45,165.80

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Solution

The fourth proportional to 50,004.20, 75,006.30 and 45,165.80 is: 67,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,004.20 : 75,006.30 = 45,165.80 : x
  2. Step 2: Convert to fraction form
    50,004.20/75,006.30 = 45,165.80/x
  3. Step 3: Cross multiply
    50,004.20x = 75,006.30 × 45,165.80
  4. Step 4: Simplify right side
    50,004.20x = 3,387,719,544.54
  5. Step 5: Solve for x
    x = 3,387,719,544.54/50,004.20
  6. Step 6: Final answer
    x = 67,748.70

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1.5x scale

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.