Home / 56,682.59-78,227.10-31,194.05

Finding the Fourth Proportional to 56,682.59, 78,227.10 and 31,194.05

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Solution

The fourth proportional to 56,682.59, 78,227.10 and 31,194.05 is: 43,050.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,682.59 : 78,227.10 = 31,194.05 : x
  2. Step 2: Convert to fraction form
    56,682.59/78,227.10 = 31,194.05/x
  3. Step 3: Cross multiply
    56,682.59x = 78,227.10 × 31,194.05
  4. Step 4: Simplify right side
    56,682.59x = 2,440,219,677.62
  5. Step 5: Solve for x
    x = 2,440,219,677.62/56,682.59
  6. Step 6: Final answer
    x = 43,050.61

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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.