Home / 106,964.91-147,611.07-57,906.41

Finding the Fourth Proportional to 106,964.91, 147,611.07 and 57,906.41

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Solution

The fourth proportional to 106,964.91, 147,611.07 and 57,906.41 is: 79,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,964.91 : 147,611.07 = 57,906.41 : x
  2. Step 2: Convert to fraction form
    106,964.91/147,611.07 = 57,906.41/x
  3. Step 3: Cross multiply
    106,964.91x = 147,611.07 × 57,906.41
  4. Step 4: Simplify right side
    106,964.91x = 8,547,626,401.90
  5. Step 5: Solve for x
    x = 8,547,626,401.90/106,964.91
  6. Step 6: Final answer
    x = 79,910.57

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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.