Home / 95,961.40-143,942.10-75,916.60

Finding the Fourth Proportional to 95,961.40, 143,942.10 and 75,916.60

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Solution

The fourth proportional to 95,961.40, 143,942.10 and 75,916.60 is: 113,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,961.40 : 143,942.10 = 75,916.60 : x
  2. Step 2: Convert to fraction form
    95,961.40/143,942.10 = 75,916.60/x
  3. Step 3: Cross multiply
    95,961.40x = 143,942.10 × 75,916.60
  4. Step 4: Simplify right side
    95,961.40x = 10,927,594,828.86
  5. Step 5: Solve for x
    x = 10,927,594,828.86/95,961.40
  6. Step 6: Final answer
    x = 113,874.90

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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.