Home / 123,962.44-171,020.82-76,200.52

Finding the Fourth Proportional to 123,962.44, 171,020.82 and 76,200.52

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Solution

The fourth proportional to 123,962.44, 171,020.82 and 76,200.52 is: 105,127.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,962.44 : 171,020.82 = 76,200.52 : x
  2. Step 2: Convert to fraction form
    123,962.44/171,020.82 = 76,200.52/x
  3. Step 3: Cross multiply
    123,962.44x = 171,020.82 × 76,200.52
  4. Step 4: Simplify right side
    123,962.44x = 13,031,875,414.83
  5. Step 5: Solve for x
    x = 13,031,875,414.83/123,962.44
  6. Step 6: Final answer
    x = 105,127.61

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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.