Home / 77,379.10-116,030.36-27,451.70

Finding the Fourth Proportional to 77,379.10, 116,030.36 and 27,451.70

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Solution

The fourth proportional to 77,379.10, 116,030.36 and 27,451.70 is: 41,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,379.10 : 116,030.36 = 27,451.70 : x
  2. Step 2: Convert to fraction form
    77,379.10/116,030.36 = 27,451.70/x
  3. Step 3: Cross multiply
    77,379.10x = 116,030.36 × 27,451.70
  4. Step 4: Simplify right side
    77,379.10x = 3,185,230,633.61
  5. Step 5: Solve for x
    x = 3,185,230,633.61/77,379.10
  6. Step 6: Final answer
    x = 41,163.97

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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.