Home / 48,934.40-73,555.20-48,012.80

Finding the Fourth Proportional to 48,934.40, 73,555.20 and 48,012.80

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Solution

The fourth proportional to 48,934.40, 73,555.20 and 48,012.80 is: 72,169.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,934.40 : 73,555.20 = 48,012.80 : x
  2. Step 2: Convert to fraction form
    48,934.40/73,555.20 = 48,012.80/x
  3. Step 3: Cross multiply
    48,934.40x = 73,555.20 × 48,012.80
  4. Step 4: Simplify right side
    48,934.40x = 3,531,591,106.56
  5. Step 5: Solve for x
    x = 3,531,591,106.56/48,934.40
  6. Step 6: Final answer
    x = 72,169.91

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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.