Home / 51,791.72-77,336.26-41,142.20

Finding the Fourth Proportional to 51,791.72, 77,336.26 and 41,142.20

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Solution

The fourth proportional to 51,791.72, 77,336.26 and 41,142.20 is: 61,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,791.72 : 77,336.26 = 41,142.20 : x
  2. Step 2: Convert to fraction form
    51,791.72/77,336.26 = 41,142.20/x
  3. Step 3: Cross multiply
    51,791.72x = 77,336.26 × 41,142.20
  4. Step 4: Simplify right side
    51,791.72x = 3,181,783,876.17
  5. Step 5: Solve for x
    x = 3,181,783,876.17/51,791.72
  6. Step 6: Final answer
    x = 61,434.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.