Home / 45,120.94-67,747.93-25,169.40

Finding the Fourth Proportional to 45,120.94, 67,747.93 and 25,169.40

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Solution

The fourth proportional to 45,120.94, 67,747.93 and 25,169.40 is: 37,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,120.94 : 67,747.93 = 25,169.40 : x
  2. Step 2: Convert to fraction form
    45,120.94/67,747.93 = 25,169.40/x
  3. Step 3: Cross multiply
    45,120.94x = 67,747.93 × 25,169.40
  4. Step 4: Simplify right side
    45,120.94x = 1,705,174,686.42
  5. Step 5: Solve for x
    x = 1,705,174,686.42/45,120.94
  6. Step 6: Final answer
    x = 37,791.21

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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.