Home / 55,089.18-82,645.38-28,786.86

Finding the Fourth Proportional to 55,089.18, 82,645.38 and 28,786.86

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Solution

The fourth proportional to 55,089.18, 82,645.38 and 28,786.86 is: 43,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,089.18 : 82,645.38 = 28,786.86 : x
  2. Step 2: Convert to fraction form
    55,089.18/82,645.38 = 28,786.86/x
  3. Step 3: Cross multiply
    55,089.18x = 82,645.38 × 28,786.86
  4. Step 4: Simplify right side
    55,089.18x = 2,379,100,983.71
  5. Step 5: Solve for x
    x = 2,379,100,983.71/55,089.18
  6. Step 6: Final answer
    x = 43,186.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.