Home / 51,662.91-77,420.43-29,430.36

Finding the Fourth Proportional to 51,662.91, 77,420.43 and 29,430.36

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Solution

The fourth proportional to 51,662.91, 77,420.43 and 29,430.36 is: 44,103.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,662.91 : 77,420.43 = 29,430.36 : x
  2. Step 2: Convert to fraction form
    51,662.91/77,420.43 = 29,430.36/x
  3. Step 3: Cross multiply
    51,662.91x = 77,420.43 × 29,430.36
  4. Step 4: Simplify right side
    51,662.91x = 2,278,511,126.25
  5. Step 5: Solve for x
    x = 2,278,511,126.25/51,662.91
  6. Step 6: Final answer
    x = 44,103.42

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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.