Home / 48,839.80-73,173.30-45,729.40

Finding the Fourth Proportional to 48,839.80, 73,173.30 and 45,729.40

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Solution

The fourth proportional to 48,839.80, 73,173.30 and 45,729.40 is: 68,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,839.80 : 73,173.30 = 45,729.40 : x
  2. Step 2: Convert to fraction form
    48,839.80/73,173.30 = 45,729.40/x
  3. Step 3: Cross multiply
    48,839.80x = 73,173.30 × 45,729.40
  4. Step 4: Simplify right side
    48,839.80x = 3,346,171,105.02
  5. Step 5: Solve for x
    x = 3,346,171,105.02/48,839.80
  6. Step 6: Final answer
    x = 68,513.20

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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.