Home / 113,423.64-170,135.52-51,021.24

Finding the Fourth Proportional to 113,423.64, 170,135.52 and 51,021.24

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Solution

The fourth proportional to 113,423.64, 170,135.52 and 51,021.24 is: 76,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,423.64 : 170,135.52 = 51,021.24 : x
  2. Step 2: Convert to fraction form
    113,423.64/170,135.52 = 51,021.24/x
  3. Step 3: Cross multiply
    113,423.64x = 170,135.52 × 51,021.24
  4. Step 4: Simplify right side
    113,423.64x = 8,680,525,198.44
  5. Step 5: Solve for x
    x = 8,680,525,198.44/113,423.64
  6. Step 6: Final answer
    x = 76,531.89

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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.