Home / 51,219.68-76,779.62-23,146.80

Finding the Fourth Proportional to 51,219.68, 76,779.62 and 23,146.80

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Solution

The fourth proportional to 51,219.68, 76,779.62 and 23,146.80 is: 34,697.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,219.68 : 76,779.62 = 23,146.80 : x
  2. Step 2: Convert to fraction form
    51,219.68/76,779.62 = 23,146.80/x
  3. Step 3: Cross multiply
    51,219.68x = 76,779.62 × 23,146.80
  4. Step 4: Simplify right side
    51,219.68x = 1,777,202,124.32
  5. Step 5: Solve for x
    x = 1,777,202,124.32/51,219.68
  6. Step 6: Final answer
    x = 34,697.65

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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.