Home / 49,642.92-68,508.54-28,429.02

Finding the Fourth Proportional to 49,642.92, 68,508.54 and 28,429.02

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Solution

The fourth proportional to 49,642.92, 68,508.54 and 28,429.02 is: 39,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,642.92 : 68,508.54 = 28,429.02 : x
  2. Step 2: Convert to fraction form
    49,642.92/68,508.54 = 28,429.02/x
  3. Step 3: Cross multiply
    49,642.92x = 68,508.54 × 28,429.02
  4. Step 4: Simplify right side
    49,642.92x = 1,947,630,653.83
  5. Step 5: Solve for x
    x = 1,947,630,653.83/49,642.92
  6. Step 6: Final answer
    x = 39,232.80

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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.