Home / 51,182.18-76,720.77-23,121.86

Finding the Fourth Proportional to 51,182.18, 76,720.77 and 23,121.86

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Solution

The fourth proportional to 51,182.18, 76,720.77 and 23,121.86 is: 34,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,182.18 : 76,720.77 = 23,121.86 : x
  2. Step 2: Convert to fraction form
    51,182.18/76,720.77 = 23,121.86/x
  3. Step 3: Cross multiply
    51,182.18x = 76,720.77 × 23,121.86
  4. Step 4: Simplify right side
    51,182.18x = 1,773,926,519.43
  5. Step 5: Solve for x
    x = 1,773,926,519.43/51,182.18
  6. Step 6: Final answer
    x = 34,659.07

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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.