Home / 104,570.54-156,856.33-25,684.78

Finding the Fourth Proportional to 104,570.54, 156,856.33 and 25,684.78

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Solution

The fourth proportional to 104,570.54, 156,856.33 and 25,684.78 is: 38,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,570.54 : 156,856.33 = 25,684.78 : x
  2. Step 2: Convert to fraction form
    104,570.54/156,856.33 = 25,684.78/x
  3. Step 3: Cross multiply
    104,570.54x = 156,856.33 × 25,684.78
  4. Step 4: Simplify right side
    104,570.54x = 4,028,820,327.66
  5. Step 5: Solve for x
    x = 4,028,820,327.66/104,570.54
  6. Step 6: Final answer
    x = 38,527.30

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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.