Home / 135,843.40-203,633.88-47,030.14

Finding the Fourth Proportional to 135,843.40, 203,633.88 and 47,030.14

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Solution

The fourth proportional to 135,843.40, 203,633.88 and 47,030.14 is: 70,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,843.40 : 203,633.88 = 47,030.14 : x
  2. Step 2: Convert to fraction form
    135,843.40/203,633.88 = 47,030.14/x
  3. Step 3: Cross multiply
    135,843.40x = 203,633.88 × 47,030.14
  4. Step 4: Simplify right side
    135,843.40x = 9,576,929,885.14
  5. Step 5: Solve for x
    x = 9,576,929,885.14/135,843.40
  6. Step 6: Final answer
    x = 70,499.78

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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.