Home / 95,156.10-131,329.40-54,861.98

Finding the Fourth Proportional to 95,156.10, 131,329.40 and 54,861.98

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Solution

The fourth proportional to 95,156.10, 131,329.40 and 54,861.98 is: 75,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,156.10 : 131,329.40 = 54,861.98 : x
  2. Step 2: Convert to fraction form
    95,156.10/131,329.40 = 54,861.98/x
  3. Step 3: Cross multiply
    95,156.10x = 131,329.40 × 54,861.98
  4. Step 4: Simplify right side
    95,156.10x = 7,204,989,985.26
  5. Step 5: Solve for x
    x = 7,204,989,985.26/95,156.10
  6. Step 6: Final answer
    x = 75,717.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.