Home / 79,865.58-119,785.67-26,553.13

Finding the Fourth Proportional to 79,865.58, 119,785.67 and 26,553.13

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Solution

The fourth proportional to 79,865.58, 119,785.67 and 26,553.13 is: 39,825.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,865.58 : 119,785.67 = 26,553.13 : x
  2. Step 2: Convert to fraction form
    79,865.58/119,785.67 = 26,553.13/x
  3. Step 3: Cross multiply
    79,865.58x = 119,785.67 × 26,553.13
  4. Step 4: Simplify right side
    79,865.58x = 3,180,684,234.57
  5. Step 5: Solve for x
    x = 3,180,684,234.57/79,865.58
  6. Step 6: Final answer
    x = 39,825.47

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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.