Home / 105,932.79-158,899.05-27,047.07

Finding the Fourth Proportional to 105,932.79, 158,899.05 and 27,047.07

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Solution

The fourth proportional to 105,932.79, 158,899.05 and 27,047.07 is: 40,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,932.79 : 158,899.05 = 27,047.07 : x
  2. Step 2: Convert to fraction form
    105,932.79/158,899.05 = 27,047.07/x
  3. Step 3: Cross multiply
    105,932.79x = 158,899.05 × 27,047.07
  4. Step 4: Simplify right side
    105,932.79x = 4,297,753,728.28
  5. Step 5: Solve for x
    x = 4,297,753,728.28/105,932.79
  6. Step 6: Final answer
    x = 40,570.57

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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.