Home / 106,664.30-147,195.81-58,920.98

Finding the Fourth Proportional to 106,664.30, 147,195.81 and 58,920.98

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Solution

The fourth proportional to 106,664.30, 147,195.81 and 58,920.98 is: 81,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,664.30 : 147,195.81 = 58,920.98 : x
  2. Step 2: Convert to fraction form
    106,664.30/147,195.81 = 58,920.98/x
  3. Step 3: Cross multiply
    106,664.30x = 147,195.81 × 58,920.98
  4. Step 4: Simplify right side
    106,664.30x = 8,672,921,377.09
  5. Step 5: Solve for x
    x = 8,672,921,377.09/106,664.30
  6. Step 6: Final answer
    x = 81,310.44

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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.