Home / 55,079.90-82,620.21-17,645.66

Finding the Fourth Proportional to 55,079.90, 82,620.21 and 17,645.66

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Solution

The fourth proportional to 55,079.90, 82,620.21 and 17,645.66 is: 26,468.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,079.90 : 82,620.21 = 17,645.66 : x
  2. Step 2: Convert to fraction form
    55,079.90/82,620.21 = 17,645.66/x
  3. Step 3: Cross multiply
    55,079.90x = 82,620.21 × 17,645.66
  4. Step 4: Simplify right side
    55,079.90x = 1,457,888,134.79
  5. Step 5: Solve for x
    x = 1,457,888,134.79/55,079.90
  6. Step 6: Final answer
    x = 26,468.61

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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.