Home / 55,562.86-76,676.20-30,068.68

Finding the Fourth Proportional to 55,562.86, 76,676.20 and 30,068.68

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Solution

The fourth proportional to 55,562.86, 76,676.20 and 30,068.68 is: 41,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,562.86 : 76,676.20 = 30,068.68 : x
  2. Step 2: Convert to fraction form
    55,562.86/76,676.20 = 30,068.68/x
  3. Step 3: Cross multiply
    55,562.86x = 76,676.20 × 30,068.68
  4. Step 4: Simplify right side
    55,562.86x = 2,305,552,121.42
  5. Step 5: Solve for x
    x = 2,305,552,121.42/55,562.86
  6. Step 6: Final answer
    x = 41,494.48

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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.