Home / 104,609.49-156,912.86-25,724.40

Finding the Fourth Proportional to 104,609.49, 156,912.86 and 25,724.40

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Solution

The fourth proportional to 104,609.49, 156,912.86 and 25,724.40 is: 38,586.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,609.49 : 156,912.86 = 25,724.40 : x
  2. Step 2: Convert to fraction form
    104,609.49/156,912.86 = 25,724.40/x
  3. Step 3: Cross multiply
    104,609.49x = 156,912.86 × 25,724.40
  4. Step 4: Simplify right side
    104,609.49x = 4,036,489,175.78
  5. Step 5: Solve for x
    x = 4,036,489,175.78/104,609.49
  6. Step 6: Final answer
    x = 38,586.26

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1.5x scale

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.