Home / 55,572.66-76,699.17-31,707.09

Finding the Fourth Proportional to 55,572.66, 76,699.17 and 31,707.09

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Solution

The fourth proportional to 55,572.66, 76,699.17 and 31,707.09 is: 43,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,572.66 : 76,699.17 = 31,707.09 : x
  2. Step 2: Convert to fraction form
    55,572.66/76,699.17 = 31,707.09/x
  3. Step 3: Cross multiply
    55,572.66x = 76,699.17 × 31,707.09
  4. Step 4: Simplify right side
    55,572.66x = 2,431,907,486.12
  5. Step 5: Solve for x
    x = 2,431,907,486.12/55,572.66
  6. Step 6: Final answer
    x = 43,760.86

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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.