Home / 312,723.24-469,080.38-76,066.34

Finding the Fourth Proportional to 312,723.24, 469,080.38 and 76,066.34

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Solution

The fourth proportional to 312,723.24, 469,080.38 and 76,066.34 is: 114,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,723.24 : 469,080.38 = 76,066.34 : x
  2. Step 2: Convert to fraction form
    312,723.24/469,080.38 = 76,066.34/x
  3. Step 3: Cross multiply
    312,723.24x = 469,080.38 × 76,066.34
  4. Step 4: Simplify right side
    312,723.24x = 35,681,227,672.41
  5. Step 5: Solve for x
    x = 35,681,227,672.41/312,723.24
  6. Step 6: Final answer
    x = 114,098.42

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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.