Home / 48,791.70-67,332.06-28,645.02

Finding the Fourth Proportional to 48,791.70, 67,332.06 and 28,645.02

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Solution

The fourth proportional to 48,791.70, 67,332.06 and 28,645.02 is: 39,529.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,791.70 : 67,332.06 = 28,645.02 : x
  2. Step 2: Convert to fraction form
    48,791.70/67,332.06 = 28,645.02/x
  3. Step 3: Cross multiply
    48,791.70x = 67,332.06 × 28,645.02
  4. Step 4: Simplify right side
    48,791.70x = 1,928,728,205.34
  5. Step 5: Solve for x
    x = 1,928,728,205.34/48,791.70
  6. Step 6: Final answer
    x = 39,529.84

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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.