Home / 115,715.92-173,672.50-45,644.44

Finding the Fourth Proportional to 115,715.92, 173,672.50 and 45,644.44

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Solution

The fourth proportional to 115,715.92, 173,672.50 and 45,644.44 is: 68,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,715.92 : 173,672.50 = 45,644.44 : x
  2. Step 2: Convert to fraction form
    115,715.92/173,672.50 = 45,644.44/x
  3. Step 3: Cross multiply
    115,715.92x = 173,672.50 × 45,644.44
  4. Step 4: Simplify right side
    115,715.92x = 7,927,184,005.90
  5. Step 5: Solve for x
    x = 7,927,184,005.90/115,715.92
  6. Step 6: Final answer
    x = 68,505.56

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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.