Home / 73,137.30-109,640.28-26,379.24

Finding the Fourth Proportional to 73,137.30, 109,640.28 and 26,379.24

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Solution

The fourth proportional to 73,137.30, 109,640.28 and 26,379.24 is: 39,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,137.30 : 109,640.28 = 26,379.24 : x
  2. Step 2: Convert to fraction form
    73,137.30/109,640.28 = 26,379.24/x
  3. Step 3: Cross multiply
    73,137.30x = 109,640.28 × 26,379.24
  4. Step 4: Simplify right side
    73,137.30x = 2,892,227,259.79
  5. Step 5: Solve for x
    x = 2,892,227,259.79/73,137.30
  6. Step 6: Final answer
    x = 39,545.17

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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.