Home / 107,382.24-161,086.32-28,497.96

Finding the Fourth Proportional to 107,382.24, 161,086.32 and 28,497.96

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Solution

The fourth proportional to 107,382.24, 161,086.32 and 28,497.96 is: 42,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,382.24 : 161,086.32 = 28,497.96 : x
  2. Step 2: Convert to fraction form
    107,382.24/161,086.32 = 28,497.96/x
  3. Step 3: Cross multiply
    107,382.24x = 161,086.32 × 28,497.96
  4. Step 4: Simplify right side
    107,382.24x = 4,590,631,503.91
  5. Step 5: Solve for x
    x = 4,590,631,503.91/107,382.24
  6. Step 6: Final answer
    x = 42,750.38

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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.