Home / 123,415.62-185,124.04-29,921.38

Finding the Fourth Proportional to 123,415.62, 185,124.04 and 29,921.38

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Solution

The fourth proportional to 123,415.62, 185,124.04 and 29,921.38 is: 44,882.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,415.62 : 185,124.04 = 29,921.38 : x
  2. Step 2: Convert to fraction form
    123,415.62/185,124.04 = 29,921.38/x
  3. Step 3: Cross multiply
    123,415.62x = 185,124.04 × 29,921.38
  4. Step 4: Simplify right side
    123,415.62x = 5,539,166,747.98
  5. Step 5: Solve for x
    x = 5,539,166,747.98/123,415.62
  6. Step 6: Final answer
    x = 44,882.22

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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.