Home / 105,718.12-158,576.78-26,832.04

Finding the Fourth Proportional to 105,718.12, 158,576.78 and 26,832.04

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Solution

The fourth proportional to 105,718.12, 158,576.78 and 26,832.04 is: 40,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,718.12 : 158,576.78 = 26,832.04 : x
  2. Step 2: Convert to fraction form
    105,718.12/158,576.78 = 26,832.04/x
  3. Step 3: Cross multiply
    105,718.12x = 158,576.78 × 26,832.04
  4. Step 4: Simplify right side
    105,718.12x = 4,254,938,504.03
  5. Step 5: Solve for x
    x = 4,254,938,504.03/105,718.12
  6. Step 6: Final answer
    x = 40,247.96

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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.