Home / 62,415.56-86,133.78-34,121.25

Finding the Fourth Proportional to 62,415.56, 86,133.78 and 34,121.25

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Solution

The fourth proportional to 62,415.56, 86,133.78 and 34,121.25 is: 47,087.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,415.56 : 86,133.78 = 34,121.25 : x
  2. Step 2: Convert to fraction form
    62,415.56/86,133.78 = 34,121.25/x
  3. Step 3: Cross multiply
    62,415.56x = 86,133.78 × 34,121.25
  4. Step 4: Simplify right side
    62,415.56x = 2,938,992,240.83
  5. Step 5: Solve for x
    x = 2,938,992,240.83/62,415.56
  6. Step 6: Final answer
    x = 47,087.49

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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.