Home / 104,565.79-156,849.21-25,680.04

Finding the Fourth Proportional to 104,565.79, 156,849.21 and 25,680.04

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Solution

The fourth proportional to 104,565.79, 156,849.21 and 25,680.04 is: 38,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,565.79 : 156,849.21 = 25,680.04 : x
  2. Step 2: Convert to fraction form
    104,565.79/156,849.21 = 25,680.04/x
  3. Step 3: Cross multiply
    104,565.79x = 156,849.21 × 25,680.04
  4. Step 4: Simplify right side
    104,565.79x = 4,027,893,986.77
  5. Step 5: Solve for x
    x = 4,027,893,986.77/104,565.79
  6. Step 6: Final answer
    x = 38,520.19

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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.