Home / 56,578.74-84,857.18-53,768.85

Finding the Fourth Proportional to 56,578.74, 84,857.18 and 53,768.85

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Solution

The fourth proportional to 56,578.74, 84,857.18 and 53,768.85 is: 80,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,578.74 : 84,857.18 = 53,768.85 : x
  2. Step 2: Convert to fraction form
    56,578.74/84,857.18 = 53,768.85/x
  3. Step 3: Cross multiply
    56,578.74x = 84,857.18 × 53,768.85
  4. Step 4: Simplify right side
    56,578.74x = 4,562,672,714.00
  5. Step 5: Solve for x
    x = 4,562,672,714.00/56,578.74
  6. Step 6: Final answer
    x = 80,642.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.