Home / 91,033.89-136,550.97-28,709.25

Finding the Fourth Proportional to 91,033.89, 136,550.97 and 28,709.25

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Solution

The fourth proportional to 91,033.89, 136,550.97 and 28,709.25 is: 43,063.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,033.89 : 136,550.97 = 28,709.25 : x
  2. Step 2: Convert to fraction form
    91,033.89/136,550.97 = 28,709.25/x
  3. Step 3: Cross multiply
    91,033.89x = 136,550.97 × 28,709.25
  4. Step 4: Simplify right side
    91,033.89x = 3,920,275,935.47
  5. Step 5: Solve for x
    x = 3,920,275,935.47/91,033.89
  6. Step 6: Final answer
    x = 43,063.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.