Home / 79,355.75-118,998.45-37,201.80

Finding the Fourth Proportional to 79,355.75, 118,998.45 and 37,201.80

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Solution

The fourth proportional to 79,355.75, 118,998.45 and 37,201.80 is: 55,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,355.75 : 118,998.45 = 37,201.80 : x
  2. Step 2: Convert to fraction form
    79,355.75/118,998.45 = 37,201.80/x
  3. Step 3: Cross multiply
    79,355.75x = 118,998.45 × 37,201.80
  4. Step 4: Simplify right side
    79,355.75x = 4,426,956,537.21
  5. Step 5: Solve for x
    x = 4,426,956,537.21/79,355.75
  6. Step 6: Final answer
    x = 55,786.21

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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.