Home / 75,876.70-113,815.05-23,279.35

Finding the Fourth Proportional to 75,876.70, 113,815.05 and 23,279.35

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Solution

The fourth proportional to 75,876.70, 113,815.05 and 23,279.35 is: 34,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,876.70 : 113,815.05 = 23,279.35 : x
  2. Step 2: Convert to fraction form
    75,876.70/113,815.05 = 23,279.35/x
  3. Step 3: Cross multiply
    75,876.70x = 113,815.05 × 23,279.35
  4. Step 4: Simplify right side
    75,876.70x = 2,649,540,384.22
  5. Step 5: Solve for x
    x = 2,649,540,384.22/75,876.70
  6. Step 6: Final answer
    x = 34,919.03

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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.