Home / 141,789.52-212,721.20-53,049.96

Finding the Fourth Proportional to 141,789.52, 212,721.20 and 53,049.96

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Solution

The fourth proportional to 141,789.52, 212,721.20 and 53,049.96 is: 79,588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,789.52 : 212,721.20 = 53,049.96 : x
  2. Step 2: Convert to fraction form
    141,789.52/212,721.20 = 53,049.96/x
  3. Step 3: Cross multiply
    141,789.52x = 212,721.20 × 53,049.96
  4. Step 4: Simplify right side
    141,789.52x = 11,284,851,151.15
  5. Step 5: Solve for x
    x = 11,284,851,151.15/141,789.52
  6. Step 6: Final answer
    x = 79,588.75

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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.