Home / 106,363.21-146,784.32-58,619.64

Finding the Fourth Proportional to 106,363.21, 146,784.32 and 58,619.64

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Solution

The fourth proportional to 106,363.21, 146,784.32 and 58,619.64 is: 80,896.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,363.21 : 146,784.32 = 58,619.64 : x
  2. Step 2: Convert to fraction form
    106,363.21/146,784.32 = 58,619.64/x
  3. Step 3: Cross multiply
    106,363.21x = 146,784.32 × 58,619.64
  4. Step 4: Simplify right side
    106,363.21x = 8,604,443,996.04
  5. Step 5: Solve for x
    x = 8,604,443,996.04/106,363.21
  6. Step 6: Final answer
    x = 80,896.81

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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.