Home / 56,584.91-78,093.11-31,434.41

Finding the Fourth Proportional to 56,584.91, 78,093.11 and 31,434.41

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Solution

The fourth proportional to 56,584.91, 78,093.11 and 31,434.41 is: 43,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,584.91 : 78,093.11 = 31,434.41 : x
  2. Step 2: Convert to fraction form
    56,584.91/78,093.11 = 31,434.41/x
  3. Step 3: Cross multiply
    56,584.91x = 78,093.11 × 31,434.41
  4. Step 4: Simplify right side
    56,584.91x = 2,454,810,680.74
  5. Step 5: Solve for x
    x = 2,454,810,680.74/56,584.91
  6. Step 6: Final answer
    x = 43,382.78

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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.