Home / 71,628.52-107,340.90-52,760.18

Finding the Fourth Proportional to 71,628.52, 107,340.90 and 52,760.18

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Solution

The fourth proportional to 71,628.52, 107,340.90 and 52,760.18 is: 79,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,628.52 : 107,340.90 = 52,760.18 : x
  2. Step 2: Convert to fraction form
    71,628.52/107,340.90 = 52,760.18/x
  3. Step 3: Cross multiply
    71,628.52x = 107,340.90 × 52,760.18
  4. Step 4: Simplify right side
    71,628.52x = 5,663,325,205.36
  5. Step 5: Solve for x
    x = 5,663,325,205.36/71,628.52
  6. Step 6: Final answer
    x = 79,065.23

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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.