Home / 55,562.63-76,676.42-30,412.13

Finding the Fourth Proportional to 55,562.63, 76,676.42 and 30,412.13

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Solution

The fourth proportional to 55,562.63, 76,676.42 and 30,412.13 is: 41,968.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,562.63 : 76,676.42 = 30,412.13 : x
  2. Step 2: Convert to fraction form
    55,562.63/76,676.42 = 30,412.13/x
  3. Step 3: Cross multiply
    55,562.63x = 76,676.42 × 30,412.13
  4. Step 4: Simplify right side
    55,562.63x = 2,331,892,945.62
  5. Step 5: Solve for x
    x = 2,331,892,945.62/55,562.63
  6. Step 6: Final answer
    x = 41,968.73

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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.