Home / 105,331.73-158,005.28-30,452.27

Finding the Fourth Proportional to 105,331.73, 158,005.28 and 30,452.27

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Solution

The fourth proportional to 105,331.73, 158,005.28 and 30,452.27 is: 45,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,331.73 : 158,005.28 = 30,452.27 : x
  2. Step 2: Convert to fraction form
    105,331.73/158,005.28 = 30,452.27/x
  3. Step 3: Cross multiply
    105,331.73x = 158,005.28 × 30,452.27
  4. Step 4: Simplify right side
    105,331.73x = 4,811,618,956.28
  5. Step 5: Solve for x
    x = 4,811,618,956.28/105,331.73
  6. Step 6: Final answer
    x = 45,680.62

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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.