Home / 76,057.28-114,008.16-29,291.84

Finding the Fourth Proportional to 76,057.28, 114,008.16 and 29,291.84

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Solution

The fourth proportional to 76,057.28, 114,008.16 and 29,291.84 is: 43,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,057.28 : 114,008.16 = 29,291.84 : x
  2. Step 2: Convert to fraction form
    76,057.28/114,008.16 = 29,291.84/x
  3. Step 3: Cross multiply
    76,057.28x = 114,008.16 × 29,291.84
  4. Step 4: Simplify right side
    76,057.28x = 3,339,508,781.41
  5. Step 5: Solve for x
    x = 3,339,508,781.41/76,057.28
  6. Step 6: Final answer
    x = 43,907.81

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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.