Home / 84,835.75-127,232.59-28,674.62

Finding the Fourth Proportional to 84,835.75, 127,232.59 and 28,674.62

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Solution

The fourth proportional to 84,835.75, 127,232.59 and 28,674.62 is: 43,004.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,835.75 : 127,232.59 = 28,674.62 : x
  2. Step 2: Convert to fraction form
    84,835.75/127,232.59 = 28,674.62/x
  3. Step 3: Cross multiply
    84,835.75x = 127,232.59 × 28,674.62
  4. Step 4: Simplify right side
    84,835.75x = 3,648,345,390.33
  5. Step 5: Solve for x
    x = 3,648,345,390.33/84,835.75
  6. Step 6: Final answer
    x = 43,004.81

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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.