Home / 106,717.70-160,070.78-54,125.82

Finding the Fourth Proportional to 106,717.70, 160,070.78 and 54,125.82

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Solution

The fourth proportional to 106,717.70, 160,070.78 and 54,125.82 is: 81,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,717.70 : 160,070.78 = 54,125.82 : x
  2. Step 2: Convert to fraction form
    106,717.70/160,070.78 = 54,125.82/x
  3. Step 3: Cross multiply
    106,717.70x = 160,070.78 × 54,125.82
  4. Step 4: Simplify right side
    106,717.70x = 8,663,962,360.85
  5. Step 5: Solve for x
    x = 8,663,962,360.85/106,717.70
  6. Step 6: Final answer
    x = 81,185.80

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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.