Home / 83,333.21-125,012.84-27,160.25

Finding the Fourth Proportional to 83,333.21, 125,012.84 and 27,160.25

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Solution

The fourth proportional to 83,333.21, 125,012.84 and 27,160.25 is: 40,744.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,333.21 : 125,012.84 = 27,160.25 : x
  2. Step 2: Convert to fraction form
    83,333.21/125,012.84 = 27,160.25/x
  3. Step 3: Cross multiply
    83,333.21x = 125,012.84 × 27,160.25
  4. Step 4: Simplify right side
    83,333.21x = 3,395,379,226.74
  5. Step 5: Solve for x
    x = 3,395,379,226.74/83,333.21
  6. Step 6: Final answer
    x = 40,744.61

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1.5x scale

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.