Home / 106,505.11-146,977.64-58,758.49

Finding the Fourth Proportional to 106,505.11, 146,977.64 and 58,758.49

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Solution

The fourth proportional to 106,505.11, 146,977.64 and 58,758.49 is: 81,087.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,505.11 : 146,977.64 = 58,758.49 : x
  2. Step 2: Convert to fraction form
    106,505.11/146,977.64 = 58,758.49/x
  3. Step 3: Cross multiply
    106,505.11x = 146,977.64 × 58,758.49
  4. Step 4: Simplify right side
    106,505.11x = 8,636,184,190.16
  5. Step 5: Solve for x
    x = 8,636,184,190.16/106,505.11
  6. Step 6: Final answer
    x = 81,087.04

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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.