Home / 49,834.13-68,772.23-28,320.48

Finding the Fourth Proportional to 49,834.13, 68,772.23 and 28,320.48

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Solution

The fourth proportional to 49,834.13, 68,772.23 and 28,320.48 is: 39,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,834.13 : 68,772.23 = 28,320.48 : x
  2. Step 2: Convert to fraction form
    49,834.13/68,772.23 = 28,320.48/x
  3. Step 3: Cross multiply
    49,834.13x = 68,772.23 × 28,320.48
  4. Step 4: Simplify right side
    49,834.13x = 1,947,662,528.87
  5. Step 5: Solve for x
    x = 1,947,662,528.87/49,834.13
  6. Step 6: Final answer
    x = 39,082.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.