Home / 71,844.09-99,144.77-41,646.90

Finding the Fourth Proportional to 71,844.09, 99,144.77 and 41,646.90

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Solution

The fourth proportional to 71,844.09, 99,144.77 and 41,646.90 is: 57,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,844.09 : 99,144.77 = 41,646.90 : x
  2. Step 2: Convert to fraction form
    71,844.09/99,144.77 = 41,646.90/x
  3. Step 3: Cross multiply
    71,844.09x = 99,144.77 × 41,646.90
  4. Step 4: Simplify right side
    71,844.09x = 4,129,071,825.99
  5. Step 5: Solve for x
    x = 4,129,071,825.99/71,844.09
  6. Step 6: Final answer
    x = 57,472.68

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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.