Home / 107,519.84-161,328.72-54,902.24

Finding the Fourth Proportional to 107,519.84, 161,328.72 and 54,902.24

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Solution

The fourth proportional to 107,519.84, 161,328.72 and 54,902.24 is: 82,378.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,519.84 : 161,328.72 = 54,902.24 : x
  2. Step 2: Convert to fraction form
    107,519.84/161,328.72 = 54,902.24/x
  3. Step 3: Cross multiply
    107,519.84x = 161,328.72 × 54,902.24
  4. Step 4: Simplify right side
    107,519.84x = 8,857,308,104.33
  5. Step 5: Solve for x
    x = 8,857,308,104.33/107,519.84
  6. Step 6: Final answer
    x = 82,378.36

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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.