Home / 48,868.20-73,136.16-30,160.08

Finding the Fourth Proportional to 48,868.20, 73,136.16 and 30,160.08

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Solution

The fourth proportional to 48,868.20, 73,136.16 and 30,160.08 is: 45,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,868.20 : 73,136.16 = 30,160.08 : x
  2. Step 2: Convert to fraction form
    48,868.20/73,136.16 = 30,160.08/x
  3. Step 3: Cross multiply
    48,868.20x = 73,136.16 × 30,160.08
  4. Step 4: Simplify right side
    48,868.20x = 2,205,792,436.49
  5. Step 5: Solve for x
    x = 2,205,792,436.49/48,868.20
  6. Step 6: Final answer
    x = 45,137.58

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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.