Home / 56,691.41-78,234.74-32,491.85

Finding the Fourth Proportional to 56,691.41, 78,234.74 and 32,491.85

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Solution

The fourth proportional to 56,691.41, 78,234.74 and 32,491.85 is: 44,839.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,691.41 : 78,234.74 = 32,491.85 : x
  2. Step 2: Convert to fraction form
    56,691.41/78,234.74 = 32,491.85/x
  3. Step 3: Cross multiply
    56,691.41x = 78,234.74 × 32,491.85
  4. Step 4: Simplify right side
    56,691.41x = 2,541,991,518.79
  5. Step 5: Solve for x
    x = 2,541,991,518.79/56,691.41
  6. Step 6: Final answer
    x = 44,839.09

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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.