Home / 55,083.20-76,028.64-31,224.11

Finding the Fourth Proportional to 55,083.20, 76,028.64 and 31,224.11

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Solution

The fourth proportional to 55,083.20, 76,028.64 and 31,224.11 is: 43,097.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,083.20 : 76,028.64 = 31,224.11 : x
  2. Step 2: Convert to fraction form
    55,083.20/76,028.64 = 31,224.11/x
  3. Step 3: Cross multiply
    55,083.20x = 76,028.64 × 31,224.11
  4. Step 4: Simplify right side
    55,083.20x = 2,373,926,618.51
  5. Step 5: Solve for x
    x = 2,373,926,618.51/55,083.20
  6. Step 6: Final answer
    x = 43,097.11

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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.