Home / 106,515.64-146,996.03-58,772.08

Finding the Fourth Proportional to 106,515.64, 146,996.03 and 58,772.08

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Solution

The fourth proportional to 106,515.64, 146,996.03 and 58,772.08 is: 81,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,515.64 : 146,996.03 = 58,772.08 : x
  2. Step 2: Convert to fraction form
    106,515.64/146,996.03 = 58,772.08/x
  3. Step 3: Cross multiply
    106,515.64x = 146,996.03 × 58,772.08
  4. Step 4: Simplify right side
    106,515.64x = 8,639,262,434.84
  5. Step 5: Solve for x
    x = 8,639,262,434.84/106,515.64
  6. Step 6: Final answer
    x = 81,107.92

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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.