Home / 83,579.81-125,281.67-27,405.27

Finding the Fourth Proportional to 83,579.81, 125,281.67 and 27,405.27

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Solution

The fourth proportional to 83,579.81, 125,281.67 and 27,405.27 is: 41,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,579.81 : 125,281.67 = 27,405.27 : x
  2. Step 2: Convert to fraction form
    83,579.81/125,281.67 = 27,405.27/x
  3. Step 3: Cross multiply
    83,579.81x = 125,281.67 × 27,405.27
  4. Step 4: Simplify right side
    83,579.81x = 3,433,377,855.37
  5. Step 5: Solve for x
    x = 3,433,377,855.37/83,579.81
  6. Step 6: Final answer
    x = 41,079.04

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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.