Home / 48,730.20-73,289.70-43,675.80

Finding the Fourth Proportional to 48,730.20, 73,289.70 and 43,675.80

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Solution

The fourth proportional to 48,730.20, 73,289.70 and 43,675.80 is: 65,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,730.20 : 73,289.70 = 43,675.80 : x
  2. Step 2: Convert to fraction form
    48,730.20/73,289.70 = 43,675.80/x
  3. Step 3: Cross multiply
    48,730.20x = 73,289.70 × 43,675.80
  4. Step 4: Simplify right side
    48,730.20x = 3,200,986,279.26
  5. Step 5: Solve for x
    x = 3,200,986,279.26/48,730.20
  6. Step 6: Final answer
    x = 65,687.94

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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.