Home / 106,723.63-147,272.82-58,973.91

Finding the Fourth Proportional to 106,723.63, 147,272.82 and 58,973.91

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Solution

The fourth proportional to 106,723.63, 147,272.82 and 58,973.91 is: 81,380.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,723.63 : 147,272.82 = 58,973.91 : x
  2. Step 2: Convert to fraction form
    106,723.63/147,272.82 = 58,973.91/x
  3. Step 3: Cross multiply
    106,723.63x = 147,272.82 × 58,973.91
  4. Step 4: Simplify right side
    106,723.63x = 8,685,253,258.70
  5. Step 5: Solve for x
    x = 8,685,253,258.70/106,723.63
  6. Step 6: Final answer
    x = 81,380.79

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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.