Home / 49,946.52-68,928.30-28,725.81

Finding the Fourth Proportional to 49,946.52, 68,928.30 and 28,725.81

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Solution

The fourth proportional to 49,946.52, 68,928.30 and 28,725.81 is: 39,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,946.52 : 68,928.30 = 28,725.81 : x
  2. Step 2: Convert to fraction form
    49,946.52/68,928.30 = 28,725.81/x
  3. Step 3: Cross multiply
    49,946.52x = 68,928.30 × 28,725.81
  4. Step 4: Simplify right side
    49,946.52x = 1,980,021,249.42
  5. Step 5: Solve for x
    x = 1,980,021,249.42/49,946.52
  6. Step 6: Final answer
    x = 39,642.83

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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.