Home / 71,842.07-99,142.02-41,644.90

Finding the Fourth Proportional to 71,842.07, 99,142.02 and 41,644.90

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Solution

The fourth proportional to 71,842.07, 99,142.02 and 41,644.90 is: 57,469.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,842.07 : 99,142.02 = 41,644.90 : x
  2. Step 2: Convert to fraction form
    71,842.07/99,142.02 = 41,644.90/x
  3. Step 3: Cross multiply
    71,842.07x = 99,142.02 × 41,644.90
  4. Step 4: Simplify right side
    71,842.07x = 4,128,759,508.70
  5. Step 5: Solve for x
    x = 4,128,759,508.70/71,842.07
  6. Step 6: Final answer
    x = 57,469.94

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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.