Home / 79,515.54-119,091.87-37,991.70

Finding the Fourth Proportional to 79,515.54, 119,091.87 and 37,991.70

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Solution

The fourth proportional to 79,515.54, 119,091.87 and 37,991.70 is: 56,900.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,515.54 : 119,091.87 = 37,991.70 : x
  2. Step 2: Convert to fraction form
    79,515.54/119,091.87 = 37,991.70/x
  3. Step 3: Cross multiply
    79,515.54x = 119,091.87 × 37,991.70
  4. Step 4: Simplify right side
    79,515.54x = 4,524,502,597.48
  5. Step 5: Solve for x
    x = 4,524,502,597.48/79,515.54
  6. Step 6: Final answer
    x = 56,900.86

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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.