Home / 104,627.49-156,939.86-25,742.40

Finding the Fourth Proportional to 104,627.49, 156,939.86 and 25,742.40

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Solution

The fourth proportional to 104,627.49, 156,939.86 and 25,742.40 is: 38,613.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,627.49 : 156,939.86 = 25,742.40 : x
  2. Step 2: Convert to fraction form
    104,627.49/156,939.86 = 25,742.40/x
  3. Step 3: Cross multiply
    104,627.49x = 156,939.86 × 25,742.40
  4. Step 4: Simplify right side
    104,627.49x = 4,040,008,652.06
  5. Step 5: Solve for x
    x = 4,040,008,652.06/104,627.49
  6. Step 6: Final answer
    x = 38,613.26

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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.