Home / 62,889.18-94,313.74-20,761.42

Finding the Fourth Proportional to 62,889.18, 94,313.74 and 20,761.42

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Solution

The fourth proportional to 62,889.18, 94,313.74 and 20,761.42 is: 31,135.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,889.18 : 94,313.74 = 20,761.42 : x
  2. Step 2: Convert to fraction form
    62,889.18/94,313.74 = 20,761.42/x
  3. Step 3: Cross multiply
    62,889.18x = 94,313.74 × 20,761.42
  4. Step 4: Simplify right side
    62,889.18x = 1,958,087,167.91
  5. Step 5: Solve for x
    x = 1,958,087,167.91/62,889.18
  6. Step 6: Final answer
    x = 31,135.52

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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.