Home / 71,908.62-99,233.97-43,228.59

Finding the Fourth Proportional to 71,908.62, 99,233.97 and 43,228.59

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Solution

The fourth proportional to 71,908.62, 99,233.97 and 43,228.59 is: 59,655.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,908.62 : 99,233.97 = 43,228.59 : x
  2. Step 2: Convert to fraction form
    71,908.62/99,233.97 = 43,228.59/x
  3. Step 3: Cross multiply
    71,908.62x = 99,233.97 × 43,228.59
  4. Step 4: Simplify right side
    71,908.62x = 4,289,744,603.20
  5. Step 5: Solve for x
    x = 4,289,744,603.20/71,908.62
  6. Step 6: Final answer
    x = 59,655.50

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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.