Home / 71,947.55-107,859.79-27,606.13

Finding the Fourth Proportional to 71,947.55, 107,859.79 and 27,606.13

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Solution

The fourth proportional to 71,947.55, 107,859.79 and 27,606.13 is: 41,385.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,947.55 : 107,859.79 = 27,606.13 : x
  2. Step 2: Convert to fraction form
    71,947.55/107,859.79 = 27,606.13/x
  3. Step 3: Cross multiply
    71,947.55x = 107,859.79 × 27,606.13
  4. Step 4: Simplify right side
    71,947.55x = 2,977,591,384.51
  5. Step 5: Solve for x
    x = 2,977,591,384.51/71,947.55
  6. Step 6: Final answer
    x = 41,385.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.