Home / 62,478.20-86,221.44-35,623.25

Finding the Fourth Proportional to 62,478.20, 86,221.44 and 35,623.25

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Solution

The fourth proportional to 62,478.20, 86,221.44 and 35,623.25 is: 49,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,478.20 : 86,221.44 = 35,623.25 : x
  2. Step 2: Convert to fraction form
    62,478.20/86,221.44 = 35,623.25/x
  3. Step 3: Cross multiply
    62,478.20x = 86,221.44 × 35,623.25
  4. Step 4: Simplify right side
    62,478.20x = 3,071,487,912.48
  5. Step 5: Solve for x
    x = 3,071,487,912.48/62,478.20
  6. Step 6: Final answer
    x = 49,160.95

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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.