Home / 45,324.08-68,020.16-23,156

Finding the Fourth Proportional to 45,324.08, 68,020.16 and 23,156

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Solution

The fourth proportional to 45,324.08, 68,020.16 and 23,156 is: 34,751.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,324.08 : 68,020.16 = 23,156 : x
  2. Step 2: Convert to fraction form
    45,324.08/68,020.16 = 23,156/x
  3. Step 3: Cross multiply
    45,324.08x = 68,020.16 × 23,156
  4. Step 4: Simplify right side
    45,324.08x = 1,575,074,824.96
  5. Step 5: Solve for x
    x = 1,575,074,824.96/45,324.08
  6. Step 6: Final answer
    x = 34,751.39

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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.