Home / 76,005.41-114,008.19-19,845.38

Finding the Fourth Proportional to 76,005.41, 114,008.19 and 19,845.38

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Solution

The fourth proportional to 76,005.41, 114,008.19 and 19,845.38 is: 29,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,005.41 : 114,008.19 = 19,845.38 : x
  2. Step 2: Convert to fraction form
    76,005.41/114,008.19 = 19,845.38/x
  3. Step 3: Cross multiply
    76,005.41x = 114,008.19 × 19,845.38
  4. Step 4: Simplify right side
    76,005.41x = 2,262,535,853.66
  5. Step 5: Solve for x
    x = 2,262,535,853.66/76,005.41
  6. Step 6: Final answer
    x = 29,768.09

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1.5x scale

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.