Home / 105,218.54-157,827.82-38,629.86

Finding the Fourth Proportional to 105,218.54, 157,827.82 and 38,629.86

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Solution

The fourth proportional to 105,218.54, 157,827.82 and 38,629.86 is: 57,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,218.54 : 157,827.82 = 38,629.86 : x
  2. Step 2: Convert to fraction form
    105,218.54/157,827.82 = 38,629.86/x
  3. Step 3: Cross multiply
    105,218.54x = 157,827.82 × 38,629.86
  4. Step 4: Simplify right side
    105,218.54x = 6,096,866,753.84
  5. Step 5: Solve for x
    x = 6,096,866,753.84/105,218.54
  6. Step 6: Final answer
    x = 57,944.79

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Similar ratio
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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.