Home / 56,939.91-78,571.26-33,071.64

Finding the Fourth Proportional to 56,939.91, 78,571.26 and 33,071.64

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Solution

The fourth proportional to 56,939.91, 78,571.26 and 33,071.64 is: 45,635.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,939.91 : 78,571.26 = 33,071.64 : x
  2. Step 2: Convert to fraction form
    56,939.91/78,571.26 = 33,071.64/x
  3. Step 3: Cross multiply
    56,939.91x = 78,571.26 × 33,071.64
  4. Step 4: Simplify right side
    56,939.91x = 2,598,480,425.07
  5. Step 5: Solve for x
    x = 2,598,480,425.07/56,939.91
  6. Step 6: Final answer
    x = 45,635.49

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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.