Home / 106,927.05-147,458.37-79,763.10

Finding the Fourth Proportional to 106,927.05, 147,458.37 and 79,763.10

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Solution

The fourth proportional to 106,927.05, 147,458.37 and 79,763.10 is: 109,997.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,927.05 : 147,458.37 = 79,763.10 : x
  2. Step 2: Convert to fraction form
    106,927.05/147,458.37 = 79,763.10/x
  3. Step 3: Cross multiply
    106,927.05x = 147,458.37 × 79,763.10
  4. Step 4: Simplify right side
    106,927.05x = 11,761,736,712.15
  5. Step 5: Solve for x
    x = 11,761,736,712.15/106,927.05
  6. Step 6: Final answer
    x = 109,997.77

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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.