Home / 77,174.67-106,467.26-45,329.22

Finding the Fourth Proportional to 77,174.67, 106,467.26 and 45,329.22

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Solution

The fourth proportional to 77,174.67, 106,467.26 and 45,329.22 is: 62,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,174.67 : 106,467.26 = 45,329.22 : x
  2. Step 2: Convert to fraction form
    77,174.67/106,467.26 = 45,329.22/x
  3. Step 3: Cross multiply
    77,174.67x = 106,467.26 × 45,329.22
  4. Step 4: Simplify right side
    77,174.67x = 4,826,077,879.67
  5. Step 5: Solve for x
    x = 4,826,077,879.67/77,174.67
  6. Step 6: Final answer
    x = 62,534.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.