Home / 56,855.85-78,493.20-37,768.35

Finding the Fourth Proportional to 56,855.85, 78,493.20 and 37,768.35

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Solution

The fourth proportional to 56,855.85, 78,493.20 and 37,768.35 is: 52,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,855.85 : 78,493.20 = 37,768.35 : x
  2. Step 2: Convert to fraction form
    56,855.85/78,493.20 = 37,768.35/x
  3. Step 3: Cross multiply
    56,855.85x = 78,493.20 × 37,768.35
  4. Step 4: Simplify right side
    56,855.85x = 2,964,558,650.22
  5. Step 5: Solve for x
    x = 2,964,558,650.22/56,855.85
  6. Step 6: Final answer
    x = 52,141.66

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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.