Home / 42,806.19-64,122.25-34,936.75

Finding the Fourth Proportional to 42,806.19, 64,122.25 and 34,936.75

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Solution

The fourth proportional to 42,806.19, 64,122.25 and 34,936.75 is: 52,334.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,806.19 : 64,122.25 = 34,936.75 : x
  2. Step 2: Convert to fraction form
    42,806.19/64,122.25 = 34,936.75/x
  3. Step 3: Cross multiply
    42,806.19x = 64,122.25 × 34,936.75
  4. Step 4: Simplify right side
    42,806.19x = 2,240,222,843.00
  5. Step 5: Solve for x
    x = 2,240,222,843.00/42,806.19
  6. Step 6: Final answer
    x = 52,334.09

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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.