Home / 77,096.22-115,644.33-20,941.62

Finding the Fourth Proportional to 77,096.22, 115,644.33 and 20,941.62

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Solution

The fourth proportional to 77,096.22, 115,644.33 and 20,941.62 is: 31,412.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,096.22 : 115,644.33 = 20,941.62 : x
  2. Step 2: Convert to fraction form
    77,096.22/115,644.33 = 20,941.62/x
  3. Step 3: Cross multiply
    77,096.22x = 115,644.33 × 20,941.62
  4. Step 4: Simplify right side
    77,096.22x = 2,421,779,614.01
  5. Step 5: Solve for x
    x = 2,421,779,614.01/77,096.22
  6. Step 6: Final answer
    x = 31,412.43

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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.