Home / 47,135.69-70,676.80-15,537.18

Finding the Fourth Proportional to 47,135.69, 70,676.80 and 15,537.18

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Solution

The fourth proportional to 47,135.69, 70,676.80 and 15,537.18 is: 23,296.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135.69 : 70,676.80 = 15,537.18 : x
  2. Step 2: Convert to fraction form
    47,135.69/70,676.80 = 15,537.18/x
  3. Step 3: Cross multiply
    47,135.69x = 70,676.80 × 15,537.18
  4. Step 4: Simplify right side
    47,135.69x = 1,098,118,163.42
  5. Step 5: Solve for x
    x = 1,098,118,163.42/47,135.69
  6. Step 6: Final answer
    x = 23,296.96

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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.