Home / 76,136.96-114,224.80-29,377.28

Finding the Fourth Proportional to 76,136.96, 114,224.80 and 29,377.28

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Solution

The fourth proportional to 76,136.96, 114,224.80 and 29,377.28 is: 44,073.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,136.96 : 114,224.80 = 29,377.28 : x
  2. Step 2: Convert to fraction form
    76,136.96/114,224.80 = 29,377.28/x
  3. Step 3: Cross multiply
    76,136.96x = 114,224.80 × 29,377.28
  4. Step 4: Simplify right side
    76,136.96x = 3,355,613,932.54
  5. Step 5: Solve for x
    x = 3,355,613,932.54/76,136.96
  6. Step 6: Final answer
    x = 44,073.39

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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.