Home / 51,212.18-76,765.66-19,614.83

Finding the Fourth Proportional to 51,212.18, 76,765.66 and 19,614.83

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Solution

The fourth proportional to 51,212.18, 76,765.66 and 19,614.83 is: 29,402.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,212.18 : 76,765.66 = 19,614.83 : x
  2. Step 2: Convert to fraction form
    51,212.18/76,765.66 = 19,614.83/x
  3. Step 3: Cross multiply
    51,212.18x = 76,765.66 × 19,614.83
  4. Step 4: Simplify right side
    51,212.18x = 1,505,744,937.87
  5. Step 5: Solve for x
    x = 1,505,744,937.87/51,212.18
  6. Step 6: Final answer
    x = 29,402.08

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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.