Home / 55,654.66-76,813.30-42,203.24

Finding the Fourth Proportional to 55,654.66, 76,813.30 and 42,203.24

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Solution

The fourth proportional to 55,654.66, 76,813.30 and 42,203.24 is: 58,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,654.66 : 76,813.30 = 42,203.24 : x
  2. Step 2: Convert to fraction form
    55,654.66/76,813.30 = 42,203.24/x
  3. Step 3: Cross multiply
    55,654.66x = 76,813.30 × 42,203.24
  4. Step 4: Simplify right side
    55,654.66x = 3,241,770,135.09
  5. Step 5: Solve for x
    x = 3,241,770,135.09/55,654.66
  6. Step 6: Final answer
    x = 58,247.96

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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.