Home / 76,655.86-114,942.09-26,722.55

Finding the Fourth Proportional to 76,655.86, 114,942.09 and 26,722.55

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Solution

The fourth proportional to 76,655.86, 114,942.09 and 26,722.55 is: 40,069.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,655.86 : 114,942.09 = 26,722.55 : x
  2. Step 2: Convert to fraction form
    76,655.86/114,942.09 = 26,722.55/x
  3. Step 3: Cross multiply
    76,655.86x = 114,942.09 × 26,722.55
  4. Step 4: Simplify right side
    76,655.86x = 3,071,545,747.13
  5. Step 5: Solve for x
    x = 3,071,545,747.13/76,655.86
  6. Step 6: Final answer
    x = 40,069.29

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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.