Home / 49,845.30-68,769.50-28,332.87

Finding the Fourth Proportional to 49,845.30, 68,769.50 and 28,332.87

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Solution

The fourth proportional to 49,845.30, 68,769.50 and 28,332.87 is: 39,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,845.30 : 68,769.50 = 28,332.87 : x
  2. Step 2: Convert to fraction form
    49,845.30/68,769.50 = 28,332.87/x
  3. Step 3: Cross multiply
    49,845.30x = 68,769.50 × 28,332.87
  4. Step 4: Simplify right side
    49,845.30x = 1,948,437,303.47
  5. Step 5: Solve for x
    x = 1,948,437,303.47/49,845.30
  6. Step 6: Final answer
    x = 39,089.69

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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.