Home / 55,562.25-76,676.45-30,412.29

Finding the Fourth Proportional to 55,562.25, 76,676.45 and 30,412.29

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Solution

The fourth proportional to 55,562.25, 76,676.45 and 30,412.29 is: 41,969.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,562.25 : 76,676.45 = 30,412.29 : x
  2. Step 2: Convert to fraction form
    55,562.25/76,676.45 = 30,412.29/x
  3. Step 3: Cross multiply
    55,562.25x = 76,676.45 × 30,412.29
  4. Step 4: Simplify right side
    55,562.25x = 2,331,906,433.57
  5. Step 5: Solve for x
    x = 2,331,906,433.57/55,562.25
  6. Step 6: Final answer
    x = 41,969.26

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1.5x scale

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.