Home / 106,748.82-147,289.08-63,742.24

Finding the Fourth Proportional to 106,748.82, 147,289.08 and 63,742.24

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Solution

The fourth proportional to 106,748.82, 147,289.08 and 63,742.24 is: 87,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,748.82 : 147,289.08 = 63,742.24 : x
  2. Step 2: Convert to fraction form
    106,748.82/147,289.08 = 63,742.24/x
  3. Step 3: Cross multiply
    106,748.82x = 147,289.08 × 63,742.24
  4. Step 4: Simplify right side
    106,748.82x = 9,388,536,309.88
  5. Step 5: Solve for x
    x = 9,388,536,309.88/106,748.82
  6. Step 6: Final answer
    x = 87,949.79

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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.