Home / 76,784.91-115,104.57-26,832.57

Finding the Fourth Proportional to 76,784.91, 115,104.57 and 26,832.57

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Solution

The fourth proportional to 76,784.91, 115,104.57 and 26,832.57 is: 40,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,784.91 : 115,104.57 = 26,832.57 : x
  2. Step 2: Convert to fraction form
    76,784.91/115,104.57 = 26,832.57/x
  3. Step 3: Cross multiply
    76,784.91x = 115,104.57 × 26,832.57
  4. Step 4: Simplify right side
    76,784.91x = 3,088,551,431.84
  5. Step 5: Solve for x
    x = 3,088,551,431.84/76,784.91
  6. Step 6: Final answer
    x = 40,223.42

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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.