Home / 106,935.06-147,469.40-79,771.10

Finding the Fourth Proportional to 106,935.06, 147,469.40 and 79,771.10

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Solution

The fourth proportional to 106,935.06, 147,469.40 and 79,771.10 is: 110,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,935.06 : 147,469.40 = 79,771.10 : x
  2. Step 2: Convert to fraction form
    106,935.06/147,469.40 = 79,771.10/x
  3. Step 3: Cross multiply
    106,935.06x = 147,469.40 × 79,771.10
  4. Step 4: Simplify right side
    106,935.06x = 11,763,796,254.34
  5. Step 5: Solve for x
    x = 11,763,796,254.34/106,935.06
  6. Step 6: Final answer
    x = 110,008.79

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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.