Home / 62,889.40-94,314.08-20,761.64

Finding the Fourth Proportional to 62,889.40, 94,314.08 and 20,761.64

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Solution

The fourth proportional to 62,889.40, 94,314.08 and 20,761.64 is: 31,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,889.40 : 94,314.08 = 20,761.64 : x
  2. Step 2: Convert to fraction form
    62,889.40/94,314.08 = 20,761.64/x
  3. Step 3: Cross multiply
    62,889.40x = 94,314.08 × 20,761.64
  4. Step 4: Simplify right side
    62,889.40x = 1,958,114,556.22
  5. Step 5: Solve for x
    x = 1,958,114,556.22/62,889.40
  6. Step 6: Final answer
    x = 31,135.85

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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.