Home / 57,920.11-86,941.58-51,299.59

Finding the Fourth Proportional to 57,920.11, 86,941.58 and 51,299.59

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Solution

The fourth proportional to 57,920.11, 86,941.58 and 51,299.59 is: 77,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,920.11 : 86,941.58 = 51,299.59 : x
  2. Step 2: Convert to fraction form
    57,920.11/86,941.58 = 51,299.59/x
  3. Step 3: Cross multiply
    57,920.11x = 86,941.58 × 51,299.59
  4. Step 4: Simplify right side
    57,920.11x = 4,460,067,363.66
  5. Step 5: Solve for x
    x = 4,460,067,363.66/57,920.11
  6. Step 6: Final answer
    x = 77,003.78

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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.