Home / 76,845.72-115,242.60-37,377.72

Finding the Fourth Proportional to 76,845.72, 115,242.60 and 37,377.72

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Solution

The fourth proportional to 76,845.72, 115,242.60 and 37,377.72 is: 56,053.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,845.72 : 115,242.60 = 37,377.72 : x
  2. Step 2: Convert to fraction form
    76,845.72/115,242.60 = 37,377.72/x
  3. Step 3: Cross multiply
    76,845.72x = 115,242.60 × 37,377.72
  4. Step 4: Simplify right side
    76,845.72x = 4,307,505,634.87
  5. Step 5: Solve for x
    x = 4,307,505,634.87/76,845.72
  6. Step 6: Final answer
    x = 56,053.94

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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.