Home / 135,810.43-203,647.30-47,040.10

Finding the Fourth Proportional to 135,810.43, 203,647.30 and 47,040.10

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Solution

The fourth proportional to 135,810.43, 203,647.30 and 47,040.10 is: 70,536.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,810.43 : 203,647.30 = 47,040.10 : x
  2. Step 2: Convert to fraction form
    135,810.43/203,647.30 = 47,040.10/x
  3. Step 3: Cross multiply
    135,810.43x = 203,647.30 × 47,040.10
  4. Step 4: Simplify right side
    135,810.43x = 9,579,589,356.73
  5. Step 5: Solve for x
    x = 9,579,589,356.73/135,810.43
  6. Step 6: Final answer
    x = 70,536.48

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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.