Home / 55,090.24-76,022.96-31,224.64

Finding the Fourth Proportional to 55,090.24, 76,022.96 and 31,224.64

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Solution

The fourth proportional to 55,090.24, 76,022.96 and 31,224.64 is: 43,089.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,090.24 : 76,022.96 = 31,224.64 : x
  2. Step 2: Convert to fraction form
    55,090.24/76,022.96 = 31,224.64/x
  3. Step 3: Cross multiply
    55,090.24x = 76,022.96 × 31,224.64
  4. Step 4: Simplify right side
    55,090.24x = 2,373,789,557.73
  5. Step 5: Solve for x
    x = 2,373,789,557.73/55,090.24
  6. Step 6: Final answer
    x = 43,089.11

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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.