Home / 56,832.89-85,261.64-21,772.55

Finding the Fourth Proportional to 56,832.89, 85,261.64 and 21,772.55

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Solution

The fourth proportional to 56,832.89, 85,261.64 and 21,772.55 is: 32,663.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,832.89 : 85,261.64 = 21,772.55 : x
  2. Step 2: Convert to fraction form
    56,832.89/85,261.64 = 21,772.55/x
  3. Step 3: Cross multiply
    56,832.89x = 85,261.64 × 21,772.55
  4. Step 4: Simplify right side
    56,832.89x = 1,856,363,005.91
  5. Step 5: Solve for x
    x = 1,856,363,005.91/56,832.89
  6. Step 6: Final answer
    x = 32,663.53

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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.