Home / 76,156.20-114,239.16-23,561.28

Finding the Fourth Proportional to 76,156.20, 114,239.16 and 23,561.28

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Solution

The fourth proportional to 76,156.20, 114,239.16 and 23,561.28 is: 35,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,156.20 : 114,239.16 = 23,561.28 : x
  2. Step 2: Convert to fraction form
    76,156.20/114,239.16 = 23,561.28/x
  3. Step 3: Cross multiply
    76,156.20x = 114,239.16 × 23,561.28
  4. Step 4: Simplify right side
    76,156.20x = 2,691,620,835.72
  5. Step 5: Solve for x
    x = 2,691,620,835.72/76,156.20
  6. Step 6: Final answer
    x = 35,343.42

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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.