Home / 101,522.12-140,104.28-55,584.96

Finding the Fourth Proportional to 101,522.12, 140,104.28 and 55,584.96

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Solution

The fourth proportional to 101,522.12, 140,104.28 and 55,584.96 is: 76,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,522.12 : 140,104.28 = 55,584.96 : x
  2. Step 2: Convert to fraction form
    101,522.12/140,104.28 = 55,584.96/x
  3. Step 3: Cross multiply
    101,522.12x = 140,104.28 × 55,584.96
  4. Step 4: Simplify right side
    101,522.12x = 7,787,690,799.63
  5. Step 5: Solve for x
    x = 7,787,690,799.63/101,522.12
  6. Step 6: Final answer
    x = 76,709.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.