Home / 115,672.20-173,508.30-53,342.70

Finding the Fourth Proportional to 115,672.20, 173,508.30 and 53,342.70

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Solution

The fourth proportional to 115,672.20, 173,508.30 and 53,342.70 is: 80,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,672.20 : 173,508.30 = 53,342.70 : x
  2. Step 2: Convert to fraction form
    115,672.20/173,508.30 = 53,342.70/x
  3. Step 3: Cross multiply
    115,672.20x = 173,508.30 × 53,342.70
  4. Step 4: Simplify right side
    115,672.20x = 9,255,401,194.41
  5. Step 5: Solve for x
    x = 9,255,401,194.41/115,672.20
  6. Step 6: Final answer
    x = 80,014.05

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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.