Home / 76,712.27-115,080.80-22,682.43

Finding the Fourth Proportional to 76,712.27, 115,080.80 and 22,682.43

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Solution

The fourth proportional to 76,712.27, 115,080.80 and 22,682.43 is: 34,027.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,712.27 : 115,080.80 = 22,682.43 : x
  2. Step 2: Convert to fraction form
    76,712.27/115,080.80 = 22,682.43/x
  3. Step 3: Cross multiply
    76,712.27x = 115,080.80 × 22,682.43
  4. Step 4: Simplify right side
    76,712.27x = 2,610,312,204.52
  5. Step 5: Solve for x
    x = 2,610,312,204.52/76,712.27
  6. Step 6: Final answer
    x = 34,027.31

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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.